A storefront opening is 48 ft wide and 10 ft high. Deduct two aluminum entrance doors, each 3 ft by 7 ft, from the glazed area. What net glass area remains?
Correct Answer
A) 438 sf
Gross opening area is 48 x 10 = 480 sf. The two doors deduct 2 x 3 x 7 = 42 sf, leaving 480 - 42 = 438 sf. Other choices deduct one door, ignore the doors, or add door area.
Why This Is the Correct Answer
Gross opening area is 48 x 10 = 480 sf. The two doors deduct 2 x 3 x 7 = 42 sf, leaving 480 - 42 = 438 sf. Other choices deduct one door, ignore the doors, or add door area.
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