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Right angle - Wikipedia


In geometry and trigonometry, a right angle is an angle that bisects the angle formed by two adjacent parts of a straight line. More precisely, if a ray is placed so ...

Right Angles - Math is Fun


Note the special symbol like a box in the angle. If we see this, it is a right angle. The 90° is rarely written in. If we see the box in the corner, we are being told it is ...

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


Identify right angles in shapes. ... Introduction. Many shapes have corners. We call a corner a right angle if we can fit a little square perfectly inside it.

Right Angle - math word definition - Math Open Reference


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

Acute, right, & obtuse angles | Angles | Geometry foundations | High ...


Acute angles measure less than 90 degrees. Right angles measure 90 degrees. Obtuse angles measure more than 90 degrees. Learn about angles types and ...

IXL - Angles greater than, less than, or equal to a right angle (3rd ...


Fun math practice! Improve your skills with free problems in 'Angles greater than, less than, or equal to a right angle' and thousands of other practice lessons.

Right Angle -- from Wolfram MathWorld


A triangle containing a right angle is called a right triangle. However, a triangle cannot contain more than one right angle, since the sum of the two right angles ...

www.ask.com/youtube?q=Right Angles&v=9PakNIwDin4
Jan 21, 2015 ... CTC Math http://ctcmath.com/ Join with more than 217000 students now confident in math because finally they can do it! Learn at your pace, not ...

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


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 about what makes ...

Shape: Right Angle | Think Math!


These are not right angles: Image:RightAngleNot.png The two at the left are both obtuse ("wider" than a right angle) and the two at the right are both acute ...

right angle
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 angles | Define right angles at Dictionary.com
dictionary.reference.com/browse/right angles
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