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The length of a rectangle is six times its width. if the area of the rectangle is 384 yd2 , find its perimeter.
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The length of a rectangle is six times its width. if the area of the rectangle is 384 yd2 , find its perimeter.

User Hehe
by
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1 Answer

7 votes
width= w
lenght = 6 width = 6w

area= 284 yd²
= (width)(length)
= (w)(6w)
= 6w²

6w²= 284
w²= 284/6
= 47.333333....
w=√47.2
= 6.88 inches

perimenter = 2width+ 2 lenght
= 2(w) + 2(6w)
= 2w+12w
= 14w
= 14(6.88)
= 96.28 inches

User Lars Francke
by
8.9k points
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