iCoachMath
STEM Excellence Series: Empowering the Next Generation
RIGHT ANGLE
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 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.
Quick Summary
- A right angle is 90 degrees.
- Right angles are often marked with a small square.
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🍎 Teacher Insights
Use real-world examples to illustrate right angles, such as corners of books or tables.🎓 Prerequisites
- Angles
- Degrees
Check Your Knowledge
Q1: Which of the following is a right angle?
Frequently Asked Questions
Q: What is a right triangle?
A: A right triangle is a triangle that contains one right angle.