SOLUTION: how many sides are in a polygon if its interior angles sum up to 1,800 degrees, n=?

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Question 235942: how many sides are in a polygon if its interior angles sum up to 1,800 degrees, n=?
Answer by Alan3354(69443) About Me  (Show Source):
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how many sides are in a polygon if its interior angles sum up to 1,800 degrees, n=?
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Sum of the angles = 180*(n-2)
180*(n-2) = 1800
n-2 = 10
n = 12