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Find the sum of the measures of the interior angles of a convex 20-gon. 3600° 3240° 2880° 3960°
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Allison:
B. 3240 Degrees.
EvL:
Sum of interior angles of n-polygon is (n-2)*180. If you use this formula, you'll get Allison's answer.
Allison:
:P
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