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OpenStudy (anonymous):
What is the sum of the measures of the interior angles of a regular polygon where a single exterior angle measures 72°?
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OpenStudy (cwrw238):
interior angle = 180 - 72 = 108 exterior angle was found by x = 360 / n and x is 72 so you can calculate no. of sides n and sum of angles will be 108*n
OpenStudy (anonymous):
that's what i thought! thank you
OpenStudy (cwrw238):
yw
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