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The number of sides of an n-gon if the sum of the interior angle is 1800° |
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Answer» Answer: The sum of the interior angles, in degrees, of a regular polygon is given by the formula 180(n – 2), where n is the number of SIDES. The problem concerns a polygon with twelve sides, so we will LET n = 12. The sum of the interior angles in this polygon would be 180(12 – 2) = 180(10) = 1800. |
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