1' = 12"
The scale; 1/4" : 1' → 1/4" : 12" → 1" : 48"
Actual large is 48 times greater than on the architectural drawing. Therefore:
1.5" → 1.5" · 48 = 72" = (72 : 12)' =6'
2.25" → 2.25" · 48 = 108" = (108 : 12)' = 9'
Answer: D. 6ft by 9 ft.
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