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OpenStudy (anonymous):
Determine the sum of the measures of the interior angles of the specified polygon. A dodecagon
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OpenStudy (cwrw238):
a dodecagon has 12 sides 12 *(180 - 360/12) = 12 * 150 = 1800 degrees
OpenStudy (cwrw238):
do you understand this formula? i think theres another formula but this is the one i use
OpenStudy (anonymous):
yes, thanks i got it right
OpenStudy (cwrw238):
oh - ok - the other formula is a bit easier to use really its 180(n - 2)
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