Question
Each interior angle of a regular polygon is 150°. Find
the number of sides, and the measure of each exterior angle.Solution
Interior angle of regular n-gon: [(n â 2)Ă180]/n = 150 180n â 360 = 150n 30n = 360 â n = 12 Each exterior angle = 360°/n = 360°/12 = 30°.
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