Question

the exterior angle of a polygon is 2/5 of the interior angle. Find the number of sides​

Answer 1

Answer:

12

Step-by-step explanation:

360n = 15⋅180(n−2)n

solve for n to find the number of sides.

cross multiply maybe….

180n(n-2) = (360)(5n)

(n-2) = (2)(5)

n-2 = 10

n= 12.

Polygon has 12 sides.