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Mathematics 9 Online
OpenStudy (anonymous):

What is the sum of the measures of the interior angles of a heptagon? Select one: a. 1620 b. 2520 c. 900 d. 1260

OpenStudy (anonymous):

the answer is C

OpenStudy (alexandervonhumboldt2):

no direct answers, please explain your answer

OpenStudy (anonymous):

thank u C was the correct answer

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