Isabellamaner86viz
Answered

ow many sides does the polygon have if the sum of each interior angles is 1,980º?​

Sagot :

NCTworldviz

Answer:

13

Explanation:

Sum of Interior angles : S = (n - 2) × 180

n = the number of sides of the polygon

Given: S = 1980°

1980 = (n - 2) × 180

n - 2 = 1980/180 = 11

n = 11 + 2

n = 13