Obtuse Angles - Math Is Fun
All the angles below are obtuse angles: Which Angle? Remember to look carefully at which angle you are being asked to name. The obtuse angle is the smaller angle. It is more than 90° and less than 180°.
Obtuse angle | Definition of Obtuse angle at Dictionary.com
Obtuse angle definition, an angle greater than 90° but less than 180°. See more.
Angles - Acute, Obtuse, Straight and Right
How to Label Angles. There are two main ways to label angles: 1. give the angle a name, usually a lower-case letter like a or b, or sometimes a Greek letter like α (alpha) or θ (theta) 2. or by the three letters on the shape that define the angle, with the middle letter being where the angle actually is (its vertex).
What is an Obtuse Angle? - Definition & Examples - Video ...
In this lesson, you'll learn what angles, right angles, and obtuse angles are; you'll see a few examples of different obtuse angles. Test your knowledge with a brief quiz once you've completed the ...
Obtuse Angle definition - Math Open Reference
Not to be confused with an obtuse triangle which has one obtuse interior angle. Types of angle Altogether, there are six types of angle as listed below. Click on an image for a full description of that type and a corresponding interactive applet.
Quiz & Worksheet - Obtuse Angles | Study.com
It has the same properties as a right angle. Two line segments can meet to form a straight line, forming a 180 degree angle. A straight line isn't an obtuse angle. Create your account to access ...
Acute, right, & obtuse angles (video) | Khan Academy
In this video, I really just want to introduce you to some terminology for some basic angle types. And the terminology I want to introduce you to are acute angles, right angles, and obtuse angles. And I think when we just go through these, they'll be pretty self-explanatory. An acute angle is an ...
Types of Angles: Acute, Obtuse, Right - Worksheets
Printable worksheets and activities on angle types. Each of these geometry worksheets covers acute, right, and obtuse angles.
Obtuse | Definition of Obtuse by Merriam-Webster
Obtuse vs. Abstruse. Obtuse, which comes to us from the Latin word obtusus, meaning "dull" or "blunt," can describe an angle that is not acute or a person who is mentally "dull" or slow of mind. The word has also developed a somewhat controversial sense of "hard to comprehend," probably as a result of confusion with abstruse.This sense of obtuse is well established, and it is now possible to ...
Obtuse - definition of obtuse by The Free Dictionary
Usage Note: Obtuse is sometimes used where one might expect abstruse instead, but the Usage Panel is divided on the acceptability of these usages. In our 2009 survey, 55 percent of the Usage Panel rejected obtuse meaning "recondite," as in The reader has to struggle through dense prose and obtuse references to modern philosophers. Some 52 percent rejected the word when used to mean "indirect ...