A rectangular roof surface measures 42 feet along one edge and 18 feet perpendicular to it along the roof surface, not its horizontal projection. What sheathing area is needed before waste?
Correct Answer
A) 756 square feet.
The actual rectangular surface area is 42 × 18 = 756 square feet. No waste or sheet rounding is included. Horizontal plan dimensions would require additional roof-slope information.
Why This Is the Correct Answer
The actual rectangular surface area is 42 × 18 = 756 square feet. No waste or sheet rounding is included. Horizontal plan dimensions would require additional roof-slope information.
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