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OpenStudy (anonymous):
How many sides does a regular polygon have if each exterior angle measures 72?
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OpenStudy (ash2326):
sum of exterior angles of any polygon is 360 degrees let the no. of sides be n n*72=360 n=5 degrees so this is a pentagon
OpenStudy (anonymous):
thank you sooo much!
OpenStudy (lollylau):
??? sum of exterior angles of any polygon is 360 degrees????
OpenStudy (anonymous):
yes - thats correct
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