In a regular polygon of n sides, each interior angle is 144o. Find n
-
A.
12 -
B.
11 -
C.
10 -
D.
8 -
E.
6F
Correct Answer: Option C
Explanation
Formula for an interior angle of a polygon is (2n – 4) x 90
(2n – 4) x 90 = 144n
190n – 360 = 144n
n = (frac{360}{36})
= 10