The angles which lie inside a polygon are called the interior angles. The sum of the angles of a polygon with nn number of sides is: 180(n−2)180(n−2). To find the number of sides of a polygon, given the sum of its interior angles, we set the above formula equal to the given sum and solve it for nn.
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The angles which lie inside a polygon are called the interior angles. The sum of the angles of a polygon with nn number of sides is: 180(n−2)180(n−2). To find the number of sides of a polygon, given the sum of its interior angles, we set the above formula equal to the given sum and solve it for nn.