Interior Angle (n-2)(180) N Sum of Interior Angles = (n - 2)(180°) 360° Exrerior Angle = n 1. Find the measure of one interior angle of a regular polygon having 10 sides. fr - 2) 2. Find the sum of interior angles of a regular pentagon. 15 3. Find the measure of each exterior angle of a regular pentagon.

•A quadrilateral can therefore be separated into two triangles. If you look back at the formula, you'll see that n – 2 gives the number of triangles in the polygon, and that number is multiplied by 180, the sum of the measures of all the interior angles in a triangle

How is the formula N 2 180?

•If we are given a convex polygon with n sides and S is the sum of the measures of the interior angles then S = 180(n - 2). Find the sum of the measures of the interior angles in an octagon. Hence the sum of the measures of the interior angles in an octagon is 1080°.

Is an interior angle 180?

One of the first things we all learned about triangles is that the sum of the interior angles is

180 degrees

Explanation:

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