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OpenStudy (anonymous):
The sum of the measures of the interior angles of any decagon is
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OpenStudy (anonymous):
sum of interior angles of any polygon: (n-2)*180 where n=number of sides 8x180=1440
OpenStudy (anonymous):
the sum of interior angles of any polynomial is (number of edge -2) *180 8*180 = 1440
OpenStudy (anonymous):
thx for the formula
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