Right Angle
Definition of Right Angle
- Right angle is an angle that has a measure of 90°.
Examples of Right Angle
- The figure below shows a right angle.

Solved Example on Right Angle
One of the angles in a triangle is 90°. What type of a triangle is it?
Choices:
A. equilateral triangle
B. obtuse triangle
C. right triangle
D. acute triangle
Correct Answer: C
Solution:
Step 1: A triangle in which one of the angles is 90° is called a right triangle.

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