SOLUTION: If 1/4 of the interior angles of a regular polygon add up to 405, how many sides does the regular polygon have?

SOLUTION: If 1/4 of the interior angles of a regular polygon add up to 405, how many sides does the regular polygon have?

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Question 1110317: If 1/4 of the interior angles of a regular polygon add up to 405, how many sides does the regular polygon have?
Answer by ikleyn(52886) (Show Source): You can put this solution on YOUR website!
.

 sides = 11 sides.

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