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OpenStudy (anonymous):
Determine the sum of the measures of the interior angles of the specified polygon. A dodecagon A. 1440° B. 1620° C. 2160° D. 1800°
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OpenStudy (anonymous):
the equation is (10 - 2) * 180 = 8 * 180 = 1440
OpenStudy (anonymous):
the general equation being (n - 2) * 180
OpenStudy (experimentx):
1800
OpenStudy (anonymous):
http://answers.yahoo.com/question/index?qid=20100611120848AA0JvbQ the majority say 1440 on yahoo answers
OpenStudy (experimentx):
dodecagon has 12 sides
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