Question

The ratio of each interior angle to each exterior angle of a regular n-sided polygon is 7:2. Find

the value of n.

Answer 1

the value of n is 9

Explanation:

7:2=each interior angle/each exterior angle

7:2= (n-2)180/360

7/2=(n-2)/2

14=2n-4

2n=18

n=9