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We solve the equation for n... since the sum of the interior angles is 180(n-2) where n is the number of sides of the polygon. So we have: 180(n-2)=1260 n-2=7 n=9 So 9 sides

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15y ago
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Q: If the sum of the interior angle measures of a polygon is 1260 how many sides does the polygon have?
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