Question: A rectangular piece of wallboard with two holes cut out for heating ducts is shown in Fig. 2.143. What is the area of the remaining

A rectangular piece of wallboard with two holes cut out for heating ducts is shown in Fig. 2.143. What is the area of the remaining piece?

4.0 ft 8.0 ft Fig. 2.143 1.0 ft 10 1.0 ft 10

4.0 ft 8.0 ft Fig. 2.143 1.0 ft 10 1.0 ft 10

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