8. The sum of the interior angles of a polygon is 2160°. How many sides does this polygon
have?
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Step-by-step explanation:
The sum of the angles around the interior point is clearly 360 degrees, so the sum of the polygon's angles will be (180n)-360 = (n-2) x 180 degrees. Here we have (n-2) x 180 = 2160, so n-2 = 12. So the polygon has 14 sides.
Answered by
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Answer:
The sum of the angles around the interior point is clearly 360 degrees, so the sum of the polygon's angles will be (180n)-360 = (n-2) x 180 degrees. Here we have (n-2) x 180 = 2160, so n-2 = 12. So the polygon has 14 sides.
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