Sum of interior angles of a Regular Polygon
Instructions
1. Use the slider to change the number of side.
2. Observe the Sum of interior angles and measure of individual angle below slider.
Answer the following questions:
What do you mean by Interior angle?
Which formula represents how to find the interior angle sum of any polygon?
What is the SUM of the angle measures in a nonagon (9 sides)?
What is the SUM of the angle measures in a triangle (3 sides)?