Question

35. The sum of the angles of a polygon is 1620°. Calculate the number of sides that polygon has.

Answer 1

11

Explanation:

total angle of a polygon formula:

180 * (n-2) n is no. of sides

180 * (n - 2) = 1620

1620/180 = n-2

9 = n - 2

9 + 2 = n

n = 11