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How many sides in a regular polygon has if each of its interior angle is 135 degree |
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Answer» INTERIOR angle + exterior angle = 180º FInd exterior angle: 135 + exterior angle = 180 exterior angle = 180 - 135 exterior angle = 45º Find the number of sides: Sum of all exterior ANGLES = 360º Number of sides = 360 ÷ 45 = 8 sides Answer: It is a 8-sided polygon |
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