# How To Calculate The Sum Of Interior Angles In A Nonagon

How To Calculate The Sum Of Interior Angles In A Nonagon|Do you want to calculate the son of interior angles in a Nonagon?

This article would provide the formula for calculating the sum of interior angles in a nonagon but before we do that, it is important to have an idea of what a nonagon is else there might be confusion

### What Is A Nonagon?

A nonagon is a nine-sided polygon and the best definition for a nonagon is an object that has nine equal sides this implies that it would have nine angles also that are equal. Since we have been able to establish what a nonagon is, we can now proceed.

### Formula To Calculate The Sum Of Interior Angles Of A Polygon

The formula to find the sum of interior angles in a polygon is (n-2)* 180 or (2n -4 )* 90 and n signifies the number of sides.

Since n = 9, the sum of interior angles in a nonagon is given by (9-2)*180 or (2(9)-4)*90, and the answer is 1,260

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