maths help fast please

Mathematics
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The total interior angle of a polygon is 540 degree. What is each interior angle?

Jan 2nd, 2015

sum of interior angle = 180(n - 2)

180(n - 2) = 540

(n-2) = 540/180

(n-2) = 3

n = 5

side is  5 

reference :

http://www.regentsprep.org/regents/math/geometry/gg3/lpoly1.htm

best my answer.

Thanks

Jan 2nd, 2015

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