Find the dimensions of a rectangle whose perimeter and rea have the same whole number of feet and square feet? 

Length:_____         Width:_____

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If L and W are length and width, then area=LW and perimeter=2L+2W.

Numerically, 2L+2W=LW, so 2L=LW-2W=W(L-2), W=2L/(L-2).

We can also write L=2W/(W-2).

For example, if W=3, L=6. Area=18. Perimeter=2(6+3)=18.

by Top Rated User (827k points)

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