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Interior? Exterior?

Interior= 180 x (n-2) when 'n' is the number of sides so for a 5 sided shape it is 180 x 3 = 540 degrees. 540=all the angles together

540 divided by the number of sides/angles is 108

Exterior= 360 divided the number of sides/angles (360 divided by 5) = 72

The total agle is 360 degrees but ech exterior agle is 72 degrees

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