Question

A regular polygon has its interior and exterior angle to be 1260 degree. a. calculate it number of sides b. find the sides of its exterior angle

Answer 1

Answer:

9

Step-by-step explanation:

We know that sum of interior angles ofa regular polygon is (n - 2) * 180. (1) Given sum of interior angles = 1260. n = 9. Therefore the number of sides = 9.