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How many sides does a regular polygon have if each of its interior angles is 140 degrees?

- Step by step explanation ​

2 Answers

5 votes
I think the answer would be root
User Fbmch
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5 votes
9 sides
Method 1: Since the interior angle 140 degrees, the supplement of this is the exterior angle and equal to 40 degrees. Hence the number of sides is 360/40 = 9 sides.
User Hlorand
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