Question: Solve the given problems. Each of two walls (with rectangular windows) of an A-frame house has the shape of a trapezoid as shown in Fig.

Solve the given problems.

Each of two walls (with rectangular windows) of an A-frame house has the shape of a trapezoid as shown in Fig. 2.74. If a gallon of paint covers 320 ft2, how much paint is required to paint these walls?

10 ft 3.5 ft 16 ft 12 ft 28 ft Fig. 2.74 

10 ft 3.5 ft 16 ft 12 ft 28 ft Fig. 2.74 10 ft

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