Respuesta :

Area (rectangle)=lenght x width
width= 6 ft
area=42 ft²

1) we have to calculate the length.
42 ft²=lenght x 6 ft
length=42 ft²/6 ft=7 ft

2) Now we have to calculate the perimeter.
Perimeter=2 lenght + 2 width
Perimeter=2(7 ft) + 2(6 ft)=14 ft + 12 ft=26 ft

answer: the perimeter is 26 ft. 

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