Answer:144.5cm^2Step-by-step explanation:First find area of the rectangleArea of a rectangle = L*B = 9*13 = 117cm^2Now find area of the triangleArea of triangle. = 1/2 base * heightHeight = 13 - 8 =5cmArea of the triangle = 1/2 *11 *5 = 27.4Now area of the who figure is area of rectangle + area of triangle= 117 + 27.5 = 144.5cm^2