ctets15p2 q33

33The measure of each interior angle of a regular convex polygon is 156⁰. The number of sides of polygon is

Option : C
Explanation : Let the number of sides of the polygon be n.

⇒ 156n = 180n - 360
⇒ 180n - 156n = 360
⇒ 24n = 360
⇒ n = 360/24
∴ n = 15

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