Question

means
an exterior angle of a regular polygon is of measure 12°, then the number of its sides is

a.12
b.18
c.22
d.30​

Answer 1

Step-by-step explanation:

let the number =X

A+b+c+d=180

12+3X=180

3X=180-12

3X = 168

X=168÷3

X=56