# Interior angle formula - Angles of Quadrilateral

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### Interior Angles of a Polygon

Subtract the sum of the known angles from the total measure of the angles for an irregular polygon.

### Interior Angle Theorem: Definition & Formula

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Description: Similarly, angles b and c are equal since they have triple lines.

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Views: 1799 Date: 12.02.2022 Favorited: 141 Category: DEFAULT Object. Though the sum of interior angles of a regular polygon and irregular polygon with the same number of sides is the same, the measure of each interior angle differs. string.

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+131reps
Interior Angle Formula. The sum of interior angles formula {eq}S_n~=~180(n~-~2) {/eq} can be used to find the sum of the angles (measured in degrees) of a polygon if the number of edges is given.
+328reps
The sum of interior angles = 180 (n-2)º The interior angles of a polygon always lie inside the polygon and the formula to calculate it can be obtained in three ways. Formula 1: For “n” is the number of sides of a polygon, formula is as, Interior angles of a Regular Polygon = [180° (n) – 360°] / n