clairemarie01 clairemarie01

04-06-2018
Mathematics

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The sum of interior angles of a polygon measures 11,520. How many sides does the polygon have?

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Lever85 Lever85

04-06-2018

The sum of angles in a regular n sided polygon:

(n - 2)*180

(n - 2)*180 = 11520

(n - 2) = 11520/180

(n - 2) = 64

n - 2 = 64

n = 64 + 2

n = 66

Polygon has 66 sides.

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