# Obtuse Angle

An obtuse angle is not an exact size, but rather a term used to describe a range of sizes. If two angles are obtuse — even if they are both only 91 degrees — they add up to more than 180 degrees. Students will learn how to use a protractor and will construct definitions for right, acute, and obtuse angles. ) Some examples of quadrilaterals: Discussions of 2-D shapes sometimes refer only to the boundary (the line segments that form the edges of the figure) or to the interior as well. It's more to do with the measuring rather than the cutting, measure the angles and cut the correct angles to fit your house it takes some skill to get good at it and isn't often done even by professionals but looks brilliant if you get it right, the new way is cut all at 90 then fill and pack when you need to (experience of new builds compared to old skilled building). Free 2-day shipping. Translation for: 'obtuse angle crossing' in English->Tamil dictionary. Geoboard - Isometric – Use geoboard to illustrate three-dimensional shapes. Kid Girl Obtuse Angle Pose Stock Photo by lenm 1 / 45 Obtuse angle between two houses Stock Image by rostykon 0 / 0 types of isosceles triangle Stock Photos by photostella 1 / 8 Angles Types Geometry Trigonometry Stock Image by PeterHermesFurian 1 / 186 Zigzag Lines Seamless Pattern. Perfect for 7-11 year olds. BACKGROUND: The nasolabial angle is defined as the angle between the line drawn through the midpoint of the nostril aperture and a line drawn perpendicular to the Frankfurt horizontal while intersecting subnasale. Ask students for a definition of a triangle. What are synonyms for obtuse angle?. In our case, the patient had a fistula connecting left anterior descending artery and first obtuse marginal artery to left ventricle that was hemodynamically significant with decreased ejection fraction and causing symptoms of congestive heart failure at the age of 49. com, the largest free online thesaurus, antonyms, definitions and translations resource on the web. obtuse angle Angle AOB is an obtuse angle. Include straight angles. swf 0 bytes 0 bytes 0 bytes 68_Lesson Obtuse Angles 0 1212 612 12. Acute angle; An angle which measures less than 90° is called an acute angle. Students will review key information about the types of angles before participating in a variety of assessment activities. Lyrics to 'Obtuse Angle' by Riff Raff. There cannot be a better hour than this to commit agitprop on Fox. An angle is defined by its measure and is not dependent upon the lengths of the sides of the angle (e. 13 Responses to "Abstruse vs. Angles are used in daily life. Obtuse Angled Triangle Definition. (adjective) An example of obtuse is someone who listens to a joke but doesn't understand the punchline. Types of Triangles - right triangles, acute triangles, obtuse triangles, oblique triangles, equilateral triangles, equiangular triangles, isosceles triangles and scalene triangles, examples and step by step solutions, how to solve problems involving angles and sides of triangles, examples with step by step solutions. Created for teachers, by teachers!. Obtuse Angle. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Unistut P1074 4-Hole 45° Obtuse Angle Bracket - Unistrut has been the leading supplier of metal framing and cable management systems since 1924 and is synonymous with engineering excellence and reliability worldwide. His or her job is to use a standard protractor to measure the angles in degrees, extending the lines with a straight edge if necessary. Free practice questions for SAT Math - How to find an angle in an acute / obtuse triangle. ; His war-ships were arranged in what was called a half-moon, and was in fact an obtuse angle with his flagship, the "Brederode," at the apex. Angles game. This dot represents the vertex of the angle. Obtuse angles are simply angles larger than 90 degrees. By lengths of sides. 1 Draw points, lines, line segments, rays, angles (right, acute, obtuse), and perpendicular and parallel lines. It differs from the true crocodile principally in having the head broader and shorter, and the snout more obtuse; in having the fourth, enlarged tooth of the under jaw received, not into an external notch, but into a pit formed for it within the upper one; in wanting a jagged fringe which appears on the hind legs and feet of the crocodile; and in having the toes of the hind feet webbed not. In an obtuse triangle, if one angle measures more than 90°, then the sum of the remaining two angles is less than 90°. 4 Fastigium in dorsal view with sides converging in an obtuse angle, general color green or pale cinnamon, most specimens short-winged, rarely long-winged A. For example, if the three numbers are 3, 5, and 10, that means the angles of triangle ABC are 50, 100, and 30 degrees. So we could make one of these rays go through point B. Acute, obtuse, and right angles Online Quiz - Following quiz provides Multiple Choice Questions (MCQs) related to Acute, obtuse, and right angles. An obtuse angle is not an exact size, but rather a term used to describe a range of sizes. Types of Angles - right angle, acute angle, obtuse angle, straight angle, reflex angle, full angle, how to classify angles, examples and worksheets with step by step solutions. Obtuse Angle. Pre-Algebra giving you a hard time? Shmoop's free Basic Geometry Guide has all the exercises, quizzes, and practice problems you've been craving. Blunt or not very sharp. 'I found it, I measured it, and, well, I'm sorry, people, but an obtuse angle of 134 degrees just ain't a corner. Click on the angles chart arrow on the upper right hand corner of the page. LEQ: How are measures of inscribed angles and angles formed by lines that intersect circles found? - PowerPoint PPT Presentation. For many practical purposes, a degree is a small enough angle that whole degrees provide sufficient precision. congruent to - 4111…. The most common classifications are described on this page. How to Measure an Angle Without a Protractor. Cookies help us deliver our services. Get information about what an obtuse angle is and improve your math with DK Find Out, to help kids learn. Free Returns High Quality Printing Fast Shipping. Obviously, this definition is easy to use for acute angles within a right triangle, but it's hard to see how it carries over for obtuse a. Types of angle Altogether, there are six types of angle as listed below. Create and investigate problems involving complementary or supplementary angles, intersecting lines and angles at a point. See details below. Easy online ordering and next-day delivery available with 24/7 expert product support. Remember a right triangle has one 90 degree or right angle, an acute triangle has all angles less than 90 degrees, or less than a right angle, and an obtuse triangle has one angle greater than 90 degrees or greater than a right angle. Find high-quality stock photos that you won't find anywhere else. Obtuse angles are simply angles larger than 90 degrees. Such issues can be tackled by biplanar technique of screw placement with the concept of placing the 3 screws in 2 planes and in an obtuse angle. If you open the above image you will see the protractor angles set onto a miter saws table. For more resources involving sorting shapes and numbers click here. An example of an obtuse angle is below:. TRIGONOMETRIC FUNCTIONS OF ANY ANGLE. Lay molding in box and hold it tight against back fence. Not but that the puff was very nice, for Maggie's palate was not at all obtuse, but she would have gone without it many times over, sooner than Tom should call her greedy and be cross with her. See details below. (3) We also know that consecutive angles of a parallelogram are supplementary (add up to 180 degrees) and so, this fact is used to find the measure of angle W. Perfect for 7-11 year olds. 4 Fastigium in dorsal view with sides converging in an obtuse angle, general color green or pale cinnamon, most specimens short-winged, rarely long-winged A. rounded at the free end. Investigating Sine, Cosine and Tangent of Obtuse Angles. Now that the text has been completed, it is hard to imagine how Congress, which is supposedly so obtuse, will be able to make an intelligent decision in the allotted ninety days. Citizens shut out It grows rapidly and branches at obtuse angles, two of the very characteristics that will require Santo Domingo to establish a regular and aggressive pruning program in immediate and coming years. Rotate the saw to the desired angle, lock the saw in place, then make the cut. obtuse angle pronunciation - How to properly say obtuse angle. Angles are often used in Computer Science especially when creating 2D or 3D user interfaces. What happens when one of the angles is obtuse?. An Obtuse triangle will ALWAYS have one angle which is Obtuse. Obtuse angles are simply angles larger than 90 degrees. What are synonyms for obtuse angle?. , guardrailing and staircases. Compound Angle Calculator. Angles and Directions The most common relative directions are left, right, forward(s), backward(s), up, and down. Your time starts after you answer the first one. Angles that have the same measure (i. 1, 2002 7 Designing Fillet Welds for Skewed T-joints—Part 1 Practical Ideas for the Design Professional by Duane K. We print the highest quality obtuse t-shirts on the internet. Put the vertex of the angle at point A. Definition 11: Obtuse Angle. a)it is not possible because the sum of the angles in the triangle cant exceed 180 degrees b)it is not possible because if a triangle has an obtuse triangle that means all the angles are obtuse angles. Gripping wood and grain. And then we. The longest side of an obtuse triangle is the one opposite the obtuse angle vertex. — The system of the two obtuse-angled points is especially termed the dead-crossing. which of the following statement is false?. Noun: ·(geometry) An obtuse angle is an angle of more than 90 degrees (π/2 radians). htm C:\1_Work\2_Research\3_CurrentProjects\1_Kay\0_CentreForSuccess_MiniClips\CentreForSuccess_MiniClips\2008_Clips\Danielle_MAP4C\Trig\70_Obtuse Angles with Sine\70_Obtuse Angles with Sine. If you open the above image you will see the protractor angles set onto a miter saws table. Glossary of Mathematics terms. Angles can be classified into four main types. SOH = "Sine of the angle = Opposite side Hypotenuse CAH = "Cosine of the angle = Adjacent side Hypotenuse TOA = "Tangent of the angle = Opposite side Adjacent side If we know the length of the sides of a right triangle, we can compute the internal angles. Next Day Delivery - UK mainland. We print the highest quality obtuse t-shirts on the internet. Find out more about obtuse angles. Looking for definition of obtuse angle? obtuse angle explanation. ] The point itself, less liable to damage than that of the crossing proper, on account of its obtuse form and its position relatively to the wheels, acts the same part towards the tapered portion of the cut rail, as the wing-rail does with respect to the acute-angle of. Converse: i don't get this please explain 38,808 results, page 2. The oral shields is a rounded pentagonal with an obtuse or slightly rounded proximal angle. Translation of obtuse angle at Merriam-Webster's Spanish-English Dictionary. pdf Loading…. yourDictionary. Obtuse Angles In geometry, a ray is defined as a line segment having one fixed point and extending in opposite directions. When someone bends backwards and their body makes an angle greater than 90 degrees. stupid -- dim-witted. The possible solutions depend on whether the given angle is acute or obtuse. Glossary of Mathematics terms. Use the 'Enter' key or press 'Go' to submit each answer. This measuring math worksheet introduces your child to right angles, obtuse angles, and acute angles. This page contains worksheets in identifying types, classifying angles, measure and classify, drawing examples according to the given type, identifying types from multiple rays, classifying angles in geometric shapes, types of angles formed by clocks, counting types and classification charts. (Obtuse triangles have one obtuse angle. If the joke makes you laugh or giggle,we will be very happy to hear that. Trigonometric Ratios of an Obtuse Angle Definition: An angle is in standard position if • its first. Assume that there exists an isosceles triangle with an obtuse base angle. Wendy has 3 jobs listed on their profile. Reasoning and problem solving for deeper understanding. View Wendy Vitolo’s profile on LinkedIn, the world's largest professional community. Step-by-step explanation:. When 2 lines intersect, they make vertical angles. When someone bends backwards and their body makes an angle greater than 90 degrees. ARI Curriculum Companion – Classifying Angles Virginia Department of Education 1 Introduction In this section, the lessons focus on estimating, measuring, and classifying angles and triangles,. Opposite angles are also called Vertical Angles. So let me do that. obtuse definition: The definition of obtuse is someone who is slow to understand things. It could have three obtuse angles as you said, but NOT four obtuse angles. 13 Responses to "Abstruse vs. In elementary geometry, the property of being perpendicular (perpendicularity) is the relationship between two lines which meet at a right angle (90 degrees). obtuse angle n. Listen to audio with how to say obtuse angle in English. obtuse angle Angle AOB is an obtuse angle. Then you can start reading Kindle books on your smartphone, tablet, or computer - no Kindle device required. Obtuse Angle Brackets are used on the installation of channel support systems, to join several channel sections together. How to Measure an Angle Without a Protractor. If it starts at 15degress and moves ¾ turns, what is the angle from the start etc. Follow the instructions and try squirting a number of different objects on screen, how far do you have to rotate the water hose to hit your targets?. One can check that this makes all interior angles 180. By Mark Ryan. C3 Lesson 1 Classifying Triangles 3 Acute Angle Right Angle Obtuse Angle An acute angle measures between 0° and 90°. Answer as many questions as you can. Acute angle; An angle which measures less than 90° is called an acute angle. Obtuse Angle Lyrics: Yeah, yeah / I just wanna rock, at an angle / At an obtuse, calling at an obtuse / I just wanna rock, at an angle / Gripping wood and grain / Hawking, hawking turning lanes / I. Angles bigger than 90 degrees, (but less than 180 degrees) are called obtuse angles. Slide 11 Directions: Identify each pair of angles as vertical, supplementary, complementary, or none of the above. exceeding 90 degrees but less than 180 degrees. Triangle has three sides and three angles. This sheet has 10 shapes where pupils have to label the correct angle either acute, obtuse, right or reflex. Looking for GRAINGER APPROVED Steel Channel Angle Bracket, 45° Obtuse, Galv-Krom Finish (2HAE7)? Grainger's got your back. Any inside off angles we only use no-coat 425 even some outside odd angles you can use it on, unless it's a high open vaulted ceiling you can use a wider no-coat, this tape will allow some movement in the joint and wont crack, just gauge them well and wipe them in good is my best advice and 2 coats will usually finish them up nice. An educational video for kids. Obtuse angle Obtuse – An angle that is greater than 90° but less than 180°. The ordinary house has a low ridge roof and the peak of the roof creates an obtuse angle. A quadrilateral has 4 angles totalaling 360 degrees. We can spot them because they extend past what would be a right angle. Keep playing until the problems seem easy and you can solve them quickly. What does obtuse angle mean? Information and translations of obtuse angle in the most comprehensive dictionary definitions resource on the web. Bias binding is necessary to get a great finish around the 120° angles. having an obtuse angle — see triangle illustration. In order to avoid this difficulty always look for angles based on the side lengths in increasing order. Most worksheets require students to identify or analyze acute, obtuse, and right angles. The ambiguous case. obtuse meaning: 1. obtuse definition: The definition of obtuse is someone who is slow to understand things. Obtuse definition, not quick or alert in perception, feeling, or intellect; not sensitive or observant; dull. (of an angle) more than 90° and less than 180° 2. Angles can be automatically displayed or measured using a protractor. Or, it may be classified by what kind of angles it has. None of explaining, Defending, Cursing, And crying, Was just a class project?. This is a free geometry lesson for 4th grade about acute, obtuse, and right triangles (classification according to angles). The point where the two arcs cross, P, can then be joined to O using the straight edge (the green line), and angle POB is half of angle AOB. Start studying ANGLE DEFINITIONS. (adjective) An example of obtuse is someone who listens to a joke but doesn't understand the punchline. Re: Obtuse Angles Any inside off angles we only use no-coat 425 even some outside odd angles you can use it on, unless it's a high open vaulted ceiling you can use a wider no-coat, this tape will allow some movement in the joint and wont crack, just gauge them well and wipe them in good is my best advice and 2 coats will usually finish them up nice. Hargreaves Part number DH4312. Supplementary angles- 2 angles with measures that have a sum of 180. the same magnitude) are said to be equal or congruent. Review right, acute, obtuse, and straight angles. What does obtuse angle mean? Information and translations of obtuse angle in the most comprehensive dictionary definitions resource on the web. Join Facebook to connect with Obtuse Angle and others you may know. Blunt or not very sharp. Now that the text has been completed, it is hard to imagine how Congress, which is supposedly so obtuse, will be able to make an intelligent decision in the allotted ninety days. At an obtuse, calling at an obtuse. this set will test the understanding of acute and obtuse angle classification Learn with flashcards, games, and more — for free. Sincerely,. An angle generated by anti-clockwise rotation is a positive angle. But perhaps something is hindering your ability to cut--leaving the saw's gauge with a limited. The ventral arm plates are wider than long, pentagonal with an obtuse proximal angle and a slightly convex distal edge. Author: Gareth and Fiona Last modified by: Gareth. a triangle with one angle as obtuse is called as the obtuse triangle. Triangles can be classified according to the lengths of their sides: An equilateral triangle has all sides the same length. Improve your math knowledge with free questions in "Acute, obtuse and right triangles" and thousands of other math skills. Use the tool to show which angle you are looking at. An obtuse angle is an oblique angle greater then a right angle. Obtuse definition: Someone who is obtuse has difficulty understanding things, or makes no effort to | Meaning, pronunciation, translations and examples. It is smaller than a right angle and range from 0-90 degrees; An Obtuse Angle is greater than a right angle and is between 90-180 degrees. Angles can be classified into four main types. Really clear math lessons (pre-algebra, algebra, precalculus), cool math games, online graphing calculators, geometry art, fractals, polyhedra, parents and teachers areas too. An obtuse angle is a kind of an angle in the field of geometry that is made from two rays having the measure of more than 90 degrees but less than 180 degrees. It is also known as a 'quarter turn' because it is a quarter of a full turn, which measures 360˚. stupid and slow to understand, or unwilling to…. Includes full solutions and score reporting. The main theorem cos (−θ) and sin (−θ) Polar coördinates Proof of the main theorem H OW SHALL WE EVALUATE tan 118°, for example?. Click now to know different types of angles with definitions in geometry with video lesson,. What does the word OBTUSE ANGLE mean? Find and lookup the definition, synonyms, and antonyms of the word OBTUSE ANGLE in our free online dictionary!. Acute angles measure less than 90 degrees. This sheet has 10 shapes where pupils have to label the correct angle either acute, obtuse, right or reflex. all right angles are equal in measure). htm FlashTemplate-header. Expert Answers. Example Question #1 : How To Find An Angle In An Acute / Obtuse Triangle. Seen in Exorcist movies and an episode of Family Guy making fun of a scene from Shawshank Redemption. Angles can be classified into four main types. (of an angle) more than 90° and less than 180° 2. Or, it may be classified by what kind of angles it has. Did you win this item? A full invoice should be emailed to the winner by the auctioneer within a day or two. What is an Angle? Angles are a fundamental building block for creating all sorts of shapes! In this tutorial, learn about how an angle is formed, how to name an angle, and how an angle is measured. Angle (x°) Type; 0 < x < 90 : Right angle : Obtuse : Straight line: 180 < x < 360 : Full turn. A triangle may be classified by how many of its sides are of equal length. These are the red arcs in the diagram. At an obtuse, calling at an obtuse. Any angle, including obtuse, can be bisected by constructing congruent triangles with common side lying on an angle's bisector. Acute Angle: An angle whose measure is more than 0° but less than 90° is called an acute angle. Perfect for 7-11 year olds. Write the converse of this statement. Obtuse" mesbah on January 11, 2014 10:22 am. net dictionary. Opposite angles are also called Vertical Angles. Therefore, an obtuse triangle satisfies one of , , or. The sum of the angles in a triangle is 180 o : a + b + c = 180 In this case, the average of a and b is 75:. The longest side of an obtuse triangle is the one opposite the obtuse angle vertex. What is an Angle? Angles are a fundamental building block for creating all sorts of shapes! In this tutorial, learn about how an angle is formed, how to name an angle, and how an angle is measured. Facebook gives people the power to. Obtuse Angle 22. But the triangle formed by the three towns is not a right triangle, because it includes an obtuse angle of $$125\degree$$ at $$B\text{,}$$ as shown in the figure. htm FlashTemplate-header. Definition 11: Obtuse Angle. An obtuse triangle may be either isosceles (two equal sides and two equal angles) or scalene (no equal sides or angles). Obtuse in a sentence. Obtuse angle Definition: An angle whose measure is greater than 90° and less than 180° Try this Adjust the angle below by dragging the orange dot at A and see how the angle ∠ ABC behaves. • Obtuse angle is an angle with size between π/2 rad or 90° and π rad or 180° • In other words, an angle between a straight angle and a right angle is known as an obtuse angle, and an angle less than a right angle is known as an acute angle. Slide 6 Slide 7 Slide 8 Supplementary angles add up to 180º. The thesaurus of synonyms and related words is fully integrated into the dictionary. They can help you to consolidate your knowledge of angles vocabulary. Also sort according to a shapes properties such as acute, obtuse, reflex or right angles and symmetry or whether it is a regular shape. swf 0 bytes 0 bytes 0 bytes 70_Obtuse Angles with Sine 0 1212 612 13. We print the highest quality obtuse t-shirts on the internet. This is an angle that measures between 90 and 180 degrees. Compound Angle Calculator. Definition. An obtuse triangle can be dissected into no fewer than seven acute triangles (Wells 1986, p. Obtuse Angled Triangle Definition. Triangle Calculator Instructions. Place the centre of the protractor at the vertex dot and the baseline of the protractor along the arm of the angle. An obtuse angle is a kind of an angle in the field of geometry that is made from two rays having the measure of more than 90 degrees but less than 180 degrees. Shop Obtuse Angle Jewelry Boxes from CafePress. An "obtuse angle" is defined as an angle that is GREATER than 90° and LESS than 180°. Central angle is an angle whose vertex is located at the center of the circle and whose sides are radii. Obtuse angles of the through crossing. Classify each triangle by its sides and angle measures. obtuse 13) acute 14) obtuse 15) 16 ° acute 16) 180 ° straight 17) 90 ° right 18) 97 ° obtuse 19) 59 ° acute 20) 39 ° acute 21) 119 ° obtuse 22) 82 ° acute 23) 162 ° obtuse 24) 52 ° acute 25) 15 ° acute 26) 116 ° obtuse 27) 96 ° obtuse 28) 74 ° acute-2-Create your own worksheets like this one with Infinite Geometry. Right Weegy: Obtuse triangle has one angle with a measurement greater than 90. congruent to - 4111…. For more resources involving sorting shapes and numbers click here. angle [ang´g'l] the space or figure formed by two diverging lines, measured as the number of degrees one would have to be moved to coincide with the other. com) Subject: Angles Created Date: 8/4/2014 4:12:53 PM. When the angle is acute, five possible solutions exist. 5 Degree - 35% off. SOH = "Sine of the angle = Opposite side Hypotenuse CAH = "Cosine of the angle = Adjacent side Hypotenuse TOA = "Tangent of the angle = Opposite side Adjacent side If we know the length of the sides of a right triangle, we can compute the internal angles. exceeding 90 degrees but less than 180 degrees. This is the most common type of truss in many areas, mostly due to its practicality. Obtuse Angle Brackets are used on the installation of channel support systems, to join several channel sections together. You can finish this off, knowing that all the angles are the same (1 degree) size and that the sum is 360 degrees. If it starts at 15degress and moves ¾ turns, what is the angle from the start etc. I open this lesson, which is a review of 4th grade standard 4. The ability it has to cut wood at any angle is a boon to do-it-yourselfers when fitting a piece of molding into a tight corner or creating an angled brace. all right angles are equal in measure). CALCULATOR INSTRUCTIONS. Get information about what an obtuse angle is and improve your math with DK Find Out, to help kids learn. rounded at the free end. obtuse angle - Translation to Spanish, pronunciation, and forum discussions. Angle C, shown below, is a right angle. Bias binding is necessary to get a great finish around the 120° angles. February 3, 2013, neriza, 1 Comment. snappymaths. During this stage, roughly grades 5-8, students work on “unknown angle. Obtuse Angle meaning in Urdu: زاویہ منفرجہ - meaning, Definition Synonyms at English to Urdu dictionary gives you the best and accurate urdu translation and meanings of Obtuse Angle and Meaning. All types of angles in maths based on magnitude and rotation and explained here with examples. If it starts at 15degress and moves ¾ turns, what is the angle from the start etc. All of each may be of different or the same sizes; any two sides or angles may be of the same size; there may be one distinctive angle. htm FlashTemplate-header. Genre Drive Trance. Find obtuse angle stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. This is the most common type of truss in many areas, mostly due to its practicality. Found in 0 ms. Obtuse angle Definition: An angle whose measure is greater than 90° and less than 180° Try this Adjust the angle below by dragging the orange dot at A and see how the angle ∠ ABC behaves. An obtuse angle is an oblique angle greater then a right angle. An angle greater than 90° and less than 180°. This leaves only one possible way to form the triangle, which means SSA is a legitimate congruence theorem when the given angle is obtuse. In this assessment lesson, students demonstrate their understanding of right, acute, and obtuse angles. : This said, he pulled out his compasses, and went on, This is an obtuse angle. We also study how the size of the angle is ONLY determined by how much it has. Bisecting an angle. Use the 'Enter' key or press 'Go' to submit each answer. All you have to do is cut the scribe back at a greater angle to ensure that the area that you have cut out/scribed does not come into contact with the profile of the skirting that it is to meet. This will always return an angle between 0 and 180 degrees. During this stage, roughly grades 5-8, students work on “unknown angle. Complete Bias Binding directions can be found in the previous Bias Binding tutorial. As regard their sides, triangles may be. obtuse: [adjective] not pointed or acute : blunt. Synonyms for obtuse in Free Thesaurus. A triangle may be classified by how many of its sides are of equal length. In this video, I really just want to introduce you to some terminology for some basic angle types. Based on the sides and the interior angles of a triangle, different types of triangles are obtained and the obtuse-angled triangle is one among them. Use the 'Enter' key or press 'Go' to submit each answer. Then two angles of the triangle have measure greater than 90 degrees. Did you win this item? A full invoice should be emailed to the winner by the auctioneer within a day or two. CALCULATOR INSTRUCTIONS. The more advanced worksheets include straight and reflex angles too. ObtuseAngle is a place where we say the things that polite society doesn't like. obtuse-angled triangle; Translations. For more resources involving sorting shapes and numbers click here. Also sort according to a shapes properties such as acute, obtuse, reflex or right angles and symmetry or whether it is a regular shape. This is the most common type of truss in many areas, mostly due to its practicality. Definition. (adjective) An example of obtuse is someone who listens to a joke but doesn't understand the punchline.