Answer: 17.5 ft² ; or, 17 1/2 ft² .
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Step-by-step explanation:
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Area = ( Base * Height) / 2 ;
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A = (7.5 ft * 4.666666666666666666666 ft) / 2 ;
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= (35 ft² ) / 2 ;
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= 17.5 ft² ; or, 17 1/2 ft² .
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