3 years ago

The ratio of an interior angle to an exterior angle of a regular polygon is 13:2. Find the number of sides of the polygon

1 answer:

4 0

Let the interior angle be x. x/(180-x) = 13/2 2x= 2340-13x 15x=2340 x=156 exterior angle= 180-156=24 Number of sides=360/24=15 15-sided polygon

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