Answer: 1440⁰Step-by-step explanation:Identify the number of sides of the polygon. The polygon shown on screen. Use the formula for the sum of the interior angles of a polygon, which is (N-2) X 180⁰The sides of Polygon is 10 which it's Decagon Calculate the sum:(10-2) x 180⁰8 x 180⁰ = 1440⁰ Therefore, the sum of the interior angles of the polygon is 1440⁰