Find The Sum Of The Measures Of The Interior Angles Of The Polygon Below. An octagon has 8 sides. To do this subtract 2 from the number of sides and multiply the difference by 180.
Use the Polygon. Interior Angle Sum of the interior angles of a polygon n. The sum of the interior angle measures of a triangle is 180.
S n 2 180.
Check out this tutorial to learn how to find the sum of the interior angles of a polygon. Polygons have all kinds of neat properties. 900 1260 1080 1620 Get the answers you need now. In a polygon of n sides the sum of the interior angles is equal to 2n 4 90.