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A rectangle has a length three times its width, and area 192 cm squared. What is the perimeter of the rectangle?
 Dec 16, 2015
 #1
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The answer is 69 pounds of baby liver

 Dec 16, 2015
 #2
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L * W = 192

 

3W * W   = 192

 

3W^2   = 192

 

W^2  = 64

 

W = 8  cm

 

And the length  =  3(8)  = 24 cm

 

So.....the perimeter  =  2 [ L + W]   = 2 [ 24  + 8]   =  2 [32]   = 64  cm

 

 

cool  cool cool

 Dec 16, 2015

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