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OpenStudy (anonymous):
What is the sum of the interior angles of a nonagon
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OpenStudy (alexandervonhumboldt2):
formula is 180*(n-2) where n is number of sides. this case n=9
OpenStudy (anonymous):
Choices are 1260 1620 1450 140
OpenStudy (anonymous):
Interior angles I choose 1260
OpenStudy (alexandervonhumboldt2):
yeas
OpenStudy (raden_zaikaria):
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