SOLUTION: How may sides does a polygon have if the sum of its interior angles is 1260°? What is this polygon?
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Question 1017079: How may sides does a polygon have if the sum of its interior angles is 1260°? What is this polygon?
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
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How may sides does a polygon have if the sum of its interior angles is 1260°? What is this polygon?
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The sum of interior angles of an n-sided polygon is 180*(n-2).
So, n-2 = = 7.
Thus n=9. It is a 9-sided polygon.
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