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OpenStudy (anonymous):
HELPPPPPP !!!!! What is the sum of the interior angles of a nonagon?1800° 1260° 1440° 1620°
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jimthompson5910 (jim_thompson5910):
S = 180(n-2) S = 180(9 - 2) ... plug in n = 9 since a nonagon has 9 sides S = ???
OpenStudy (anonymous):
1260 ??
jimthompson5910 (jim_thompson5910):
yep
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