Sum of exterior angle of polygon

• Mathematics
• Secondary Education
• Age 12

Sum of exterior angle of polygon

Warm up:

Identify the pair of adjacent angles, Interior and exterior angles in the given figure.

The sum of the measures of the exterior angles of a polygon is

www.geogebra.org

Twist Your Brain!

How can you find the measure of each exterior angle of a regular polygon when the number of sides is known?

Mini plenary

1. 50 degree
2. 70 degree
3. 180 degree
4. 55 degree

What is the sum of exterior angle of polygon?

1. 120 degree
2. (n-2) x180
3. 360 degree
4. 180 degree

The number of sides of a regular polygon when the measure of each interior angle is 108 degree is

1. 6
2. 5
3. 4
4. 7

Angle Riddle: The One-Fourth Mystery!

Each exterior angle of a regular polygon is one-fourth the size of each interior angle. How many sides does the polygon have?