SOLUTION: A polygon has m sides. One of the interior angles has angle measure 80 degrees. The other interior angles have measure 160 degrees. Find the value of m.

Question 655716: A polygon has m sides. One of the interior angles has angle measure 80 degrees. The other interior angles have measure 160 degrees. Find the value of m.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A polygon has m sides. One of the interior angles has angle measure 80 degrees. The other interior angles have measure 160 degrees. Find the value of m.
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Equation:
80 + (m-1)160 = (m-2)*180
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80 + 160m - 160 = 180m - 360
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20m = 280
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m = 14
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Cheers,
Stan H.
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