SOLUTION: a rectangle has an area of 38 square feet. determine the perimeter as a function of the length

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Question 707872: a rectangle has an area of 38 square feet. determine the perimeter as a function of the length
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
A = LW

38 = LW

38/L = W

W = 38/L

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P = 2L + 2W

P = 2L + 2(38/L)

P = 2L + 76/L

So the perimeter P as a function of the length L is P+=+2L+%2B+76%2FL