Question

What is the sum of the interior angles of an 11-gon?

Answer 1

sum = 1620°

Explanation:

the sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 11 , then

sum = 180° × (11 - 2) = 180° × 9 = 1620°