Asked by samuel

The perimeter of a rectangular concrete patio is 38 meters. The area is 90 square meters. What are the dimensions of the patio?
Answered by Damon
2 L + 2 w = 38
so
L + w = 19 and L = 19-w

w L = 90
w (19-w) = 90
w^2 -19 w + 90 = 0
(w-9)(w-10) = 0
9 by 10
Answered by Glenice
I dont understand how you got the answer
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