SOLUTION: A regular polygon has an interior angle measure of 160 degrees. How many sides does the polygon have?

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Question 175281: A regular polygon has an interior angle measure of 160 degrees. How many sides does the polygon have?
Answer by elima(1433) About Me  (Show Source):
You can put this solution on YOUR website!
%28n-2%29180%2Fn=160
multiply each side by n;
(n-2)180=160n
180n-360=160n
180n-160n-360
20n=360
divide each side by 20;
n=18
so the number of side = 18
:)