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.
Video Examples: Solve Right Triangles
Solved Example on Right Angle
Ques: One of the angles in a triangle is 90�. What type of a triangle is it?
Choices:
A. equilateral triangleB. 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.
Translate :