3 years ago

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

Mathematics

2 answers:

morpeh [17]3 years ago

8 0

I think the answer would be root

faltersainse [42]3 years ago

5 0

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.

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