Quote:
Originally Posted by TheDon
ok so how do I find the perimeter of a rectangle if area is given and the ratio W x L is given..
like
area=300
and the ratio is
3:1
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let x = L
let 3x = W
L x W -=area , so
x X 3x = 300
3x squared = 300
therefore
x squared = 100
therefore
x=10
therefore L=10 W=30
therefore L+W+L+W = perimeter
so 80 = perimeter
(i think  )
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