Question

What is the sum of the interior
angles in a 15-sided polygon?
Sum =

Answer 1

13×180

2340°

Explanation:

The number of triangles in each polygon is two less than the number of sides.

The formula for calculating the sum of interior angles is:

(n-2) ×180

(where n is the number of sides)

Answer 2

2340

Explanation:

The formula is (n-2)*180

N =to the side of polygon

(15-2)*180