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OpenStudy (anonymous):
What is the measure of each interior angle of a regular pentagon? A. 540° B. 360° C. 180° D. 108° is it D?
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OpenStudy (anonymous):
180
OpenStudy (anonymous):
you sure
OpenStudy (anonymous):
yes 180*3 adds up to 540 and a pentagon has three triangle inside it. and every triangle has a 180 degree.
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