Question
Find the number of sides in a regular polygon if its
each interior angle is 160°.Solution
Formula:
Each interior angle of a regular polygon =
Given:
On Solving we get,
180(n − 2) = 160n
⇒ 180n − 360 = 160n
⇒ 20n = 360
⇒ n = 18
More Polygon Questions
Match List I with List II