1. If the sum of the measures of all the interior angles of polygon is 1800°, find the number of sides of the polygon?
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By: anil on 05 May 2019 02.10 am
Let number of sides of the polygon = $$n$$ Sum of all interior angles of a polygon having $$n$$ sides = $$(n - 2) imes 180$$° = $$1800$$° => $$(n - 2) = frac{1800}{180} = 10$$ => $$n = 10 + 2 = 12$$ $$ herefore$$ The polygon having sum of interior angles 1800° has 12 sides => Ans - (A)
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