The equation a=180 (n-2) / n represent the angle measures, a in a regular n-sided polygon. When the equation is Solved for n, n is equal to a fraction with a denominator of a-180. What is the numerator of the fraction.

Question

Alfredo Andersen

Mathematics

9 May, 19:10

The equation a=180 (n-2) / n represent the angle measures, a in a regular n-sided polygon. When the equation is Solved for n, n is equal to a fraction with a denominator of a-180. What is the numerator of the fraction.

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Answers (1)

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Curtis Miles · Answer 1

The

numerator is 360

Step-by-step explanation:

What we need to do here is make n the subject of the formula;

a = 180 (n-2) / n

an = 180n-360

180n - an = 360

n (180-a) = 360

n = 360 / (180-a)