A decorator wishes to paint a wall and needs to estimate how much paint is needed. The wall is shaped like a trapezium, and has two circular windows in it, as illustrated below (the diagram is not drawn to scale). The dimensions of the wall are a-24.0m -27.0 m3.6 m and both the windows have diameter d-1.0m (a) Calculate the area of the wall (not including the windows) that needs painting Give your answer in to 2 decimal places (b) If one can of paint covers an area of 25 m and the decorator intends to apply 2 coats how many cans of paint should the decorator buy to be sure of having enough? Take the value of to be 3 142 Area of sal tumber of cans