SOLUTION: Sue draws a polygon. It has a certain number of 120° angles and the same number of 150° angles. It has no other angles. The polygon is

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Question 611526: Sue draws a polygon.
It has a certain number of 120° angles
and the same number of 150° angles.
It has no other angles.
The polygon is
Answer by Alan3354(31518) About Me  (Show Source):
You can put this solution on YOUR website!
Sue draws a polygon.
It has a certain number of 120° angles
and the same number of 150° angles.
It has no other angles.
The polygon is
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2n = # of sides
120n + 150n = 180*(2n-2)
270n = 360n - 360
n = 4
2n = 8 --> octagon