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Right angle - Wikipedia


A right angle is equal to 90 degrees. A line segment (AB) drawn so that it forms right angles with a line (CD). In geometry and trigonometry, a right angle is an angle that bisects the angle formed ...

How many degrees are in a right angle? | Reference.com


A right angle has 90 degrees. Angles are measured on a scale from 0 to 360 degrees. Right angles represent one-fourth of a full 360-degree...

Angles - Acute, Obtuse, Straight and Right - Math is Fun


Degrees (Angle) · Twitter StumbleUpon Facebook ... Angles. An angle measures the amount of turn ... Right Angle, an angle that is 90° exactly. Obtuse Angle, an ...

Acute, right, & obtuse angles | Angle types | Angles | Basic geometry ...


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

Cool math .com - Types of Triangles


Definitions and formulas for triangles including right triangles, equilateral ... The right triangle has one 90 degree angle and two acute (< 90 degree) angles.

How many degrees are right angles, acute ... | Khan Academy


Right angle is exactly 90 degrees. Straight angle is exactly 180 degrees. 5 Votes. • Comment on this question • Flag this comment. 3 years ago by Anonymous.

What are Acute, Obtuse, Right, and Straight Angles? | Virtual Nerd


Knowing how to identify these angles is an important part of solving many ... right angle; right angles; straight; straight angle; straight angles; degree; degrees ...

Types of Angles


Types of Angles. In geometry, there are three types of angles: acute angle-an angle between 0 and 90 degrees; right angle-an 90 degree angle; obtuse ...

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


When a triangle has a right angle, it becomes a special type of triangle called a right triangle. Right triangles always have exactly one angle that is 90 degrees.

3:4:5 triangle definition - Math Open Reference


3:4:5 Triangle. A right triangle where the sides are in the ratio of the integers 3:4:5 ... Interior Angles. Because it is a right triangle one angle is obviously 90°.