The corbettmaths practice questions on angles in polygons videos worksheets 5 a day and much more. Objective i know how to solve problems involving the interior angles of polygons the formula to find the sum of the interior angles of any polygon is sum of angles n 2180 where n is the number of sides of the polygon read the lesson on angles of a polygon for more information and examples. These are the corbettmaths textbook exercise answers to angles in polygons. Course 3 chapter 4 polygons and angles answer key displaying top 8 worksheets found for this concept some of the worksheets for this concept are polygons and angles work answers lesson 12 4 reteach inscribed angles answer key polygons and angles work answers glencoe geometry answer key chapter 4 lesson 4 extra practice polygons and angles holt geometry chapter 3 test answers . Polygons and angles date period find the measure of one interior angle in each polygon round your answer to the nearest tenth if necessary 1 108 2 135 3 1473 4 120 5 140 6 150 7 regular 24 gon 165 8 regular quadrilateral 90 9 regular 23 gon 1643 10 regular 16 gon 1575