Question
If ratio of interior & exterior angle of a regular
polygon is 5:3, then number of sides of the polygon isSolution
We know that I + E = 180 & I :E = 5:3 Let I = 5k & E = 3k So 5k + 3k = 180 or 8k =180 or k = 22.5 ; It means exterior angle = 22.5 = 360/N or N = 360/22.5 = 16
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