Verified Answer :

MandiePandie

you would multiply 16 by 2 and get 32
72-32=40
divide 40 by 2 and get 20
THE LENGTH IS 20

olemakpadu

Let short side = S

Long side = L

Perimeter = 2(L + S)

72  =  2(L + 16)

72/2 = (L + 16)

36 = L + 16

36 - 16 = L

20 = L

Length of longest side = 20 feet.

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