Two faces of a straight 320-foot wall are formed to 3.5 feet high. Exclude end forms, openings and waste. What is the total contact area?
Correct Answer
D) 2,240 SF
320 × 3.5 × 2 = 2,240 square feet. The 1,120-square-foot option covers only one face.
Why This Is the Correct Answer
320 × 3.5 × 2 = 2,240 square feet. The 1,120-square-foot option covers only one face.
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