1. Find the sum of interior angles of a decagon?





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  • By: anil on 05 May 2019 02.11 am
    Sum of interior angles of a polygon with $$n$$ sides = $$(n - 2) imes 180$$° Number of sides in a decagon, $$n = 10$$ => Sum of interior angles = $$(10 - 2) imes 180$$° = $$8 imes 180 = 1440$$° => Ans - (D)
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