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A rectangle is 3 times as long as it is wide. if the area is 12 square feet find its perimeter.
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A rectangle is 3 times as long as it is wide. if the area is 12 square feet find its perimeter.

User Harry Stuart
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length=3*width
area=12
3W*W=12
w^2=4
w=2
l=6

perimeter=2(l+w)
=2(2+6)
=16
User Sundar
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