POLYGONS 1

Find the exterior angle of a regular polygon with 18 sides.

Solution

n = 6

e =   360

         n

e =   360

        18

e =   360 ²⁰

        18₁

e = 20⁰

Hence the exterior angle is 20⁰

TRY THIS………………………………………..

Find the exterior angle of a regular polygon with 12 sides.