A roof section measures 36 feet by 28 feet. How many roofing squares are there before waste?
Correct Answer
D) 10.08 squares.
The area is 36 x 28 = 1,008 square feet. Dividing by 100 gives 10.08 roofing squares.
Why This Is the Correct Answer
The area is 36 x 28 = 1,008 square feet. Dividing by 100 gives 10.08 roofing squares.
Why the Other Options Are Wrong
Option A: 9.36 squares.
9.36 squares. is below the supported result for roofing quantity calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option B: 9.72 squares total.
9.72 squares total. is below the supported result for roofing quantity calculation; it likely omits allowance, conversion, coverage, or final round-up.
Option C: 9.96 squares total.
9.96 squares total. is below the supported result for roofing quantity calculation; it likely omits allowance, conversion, coverage, or final round-up.
Memory Technique
Roofing Quantity cart for Estimating Roof: area first, title second, whole units last.
Reference Hint
Study anchor (closed-book): memorize Roofing quantity calculation from California Building Code, California Code of Regulations Title 24. / Title 24 California Building Code roof covering quantity concepts; know the rule or calculation trigger without relying on exam-room lookup.
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