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Sum of interior angles of a Regular Polygon

Author:Praveen Raj
Topic:Angles

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?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

What is the SUM of the angle measures in a nonagon (9 sides)?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

What is the SUM of the angle measures in a triangle (3 sides)?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

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