SOLUTION: two angles of a polygon are right angles and the remaining are 120 degree each . find the number of sides in it.

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Question 1086536: two angles of a polygon are right angles and the remaining are 120 degree each . find the number of sides in it.

Answer by ikleyn(52914) About Me  (Show Source):
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Answer. The number of sides is 5.

HINT. Use the fact that the sum of exterior angles in any convex polygon is 360 degrees.