Find The Sum Of The Measures Of The Interior Angles Of The Convex Polygon With N Sides. Since all angles of a regular polygon are congruent the sum of the interior angle measures is 90 n. Sum of interior angles 9 - 2 x 180 1260 Answer.
Check out this tutorial to learn how to find the sum of the interior angles of a polygon. How can she be sure that the canvas will be a square. 18 -gon 628721 An 18 -gon has eighteen sides.
90 628721 Let n be the number of sides.
My calculator said it I believe it that settles it. To find the measure of one interior angle we take that formula and divide by the number of sides n. By the Polygon Interior Angles Sum Theorem the sum of the interior angle. How can she be sure that the canvas will be a square.