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

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


   

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(52879) About Me  (Show Source):
You can put this solution on YOUR website!
.
%28405%2A4%29%2F180+%2B+2 sides = 11 sides.