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right angle
NOUN
1.
the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one quarter of the circle; the angle formed by two perpendicular lines that intersect; an angle of 90°.
Source: Dictionary.com
right angle | Define right angle at Dictionary.com
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Right angle - Wikipedia

en.wikipedia.org/wiki/Right_angle

In geometry and trigonometry, a right angle is an angle that bisects the angle formed by two ... Euclid uses right angles in definitions 11 and 12 to define acute angles (those smaller than a right ...

Definition of Right Angle - Math is Fun

www.mathsisfun.com/definitions/right-angle.html

Definition of. Right Angle. more ... Right Angle. An angle which is equal to 90°, one quarter of a full revolution. © 2015 MathsIsFun.com v0.86. Right Angles.

Right Angle - math word definition - Math Open Reference

www.mathopenref.com/angleright.html

Definition of an right angle (one whose measure is exactly 90 degrees).

Right Angle | Definition of Right Angle by Merriam-Webster

www.merriam-webster.com/dictionary/right angle

Define right angle: an angle formed by two lines that are perpendicular to each other : an angle that measures 90° — right angle in a sentence.

What is a Right Angle? - Definition & Formula - Video & Lesson ...

study.com/academy/lesson/what-is-a-right-angle-definition-formula-quiz.html

In this lesson, you will learn about the properties that identify right angles. You will also discover where right angles can be found and learn...

Right angle | Define Right angle at Dictionary.com

www.dictionary.com/browse/right-angle

Right angle definition, the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one quarter of the circle; the angle formed by ...

right angle (noun) definition and synonyms | Macmillan Dictionary

www.macmillandictionary.com/dictionary/british/right-angle

Define right angle (noun) and get synonyms. What is right angle (noun)? right angle (noun) meaning, pronunciation and more by Macmillan Dictionary.

Right angles in shapes (informal definition) | Quadrilaterals | Shapes ...

www.khanacademy.org/math/basic-geo/basic-geometry-shapes/basic-geo-quadrilaterals/a/right-angles-in-shapes

Right angles in shapes (informal definition) ... We call a corner a right angle if we can fit a little square perfectly inside it. ... The trapezoid has two right angles.