christacurtisp0qfnu christacurtisp0qfnu

10-12-2017
Mathematics

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The width of a rectangle is 1 foot less than the length. The area is 2 feet^2. Find the length and width.

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KitKat69 KitKat69

10-12-2017

A=LW
Fill in: 2=(W+1)·W
L=W+1
multiply out: 2=W²+1
Subtract: 1=w²
find the square root: √1=√W² ≈1=w
Sub that in: 2=(1+1)·1
Solve: 2=2·1 ≈ 2=2
L=2ft
W=1 ft :) hope that makes sense

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