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OpenStudy (anonymous):
7. Find the sum of the interior angles of a nonagon. (1 point) 140° 1,620° 1,260° 1,450°
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OpenStudy (anonymous):
use the equation (n-2)*180 where n is the number of sides sub n=9 we get 1260
OpenStudy (anonymous):
okay thank u so much ur a lifesvaer
OpenStudy (anonymous):
welcome can u give me a medal.......
OpenStudy (anonymous):
sure no prob
OpenStudy (anonymous):
there
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