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OpenStudy (anonymous):
What is the sum of the interior angles of an octagon? 900° 1080° 1260° 720°
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OpenStudy (alexandervonhumboldt2):
usef ormula (n-2)*180 where n is number of sides
OpenStudy (alexandervonhumboldt2):
octagon has 8 sides
OpenStudy (anonymous):
1,080
OpenStudy (alexandervonhumboldt2):
yes
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