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.
