SOLUTION: A rectangular concrete patio has a perimeter of 56 meters and an area of 171 square meters. What are the dimensions of the patio?

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Question 1066215: A rectangular concrete patio has a perimeter of 56 meters and an area of 171 square meters. What are the dimensions of the patio?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Dimensions x and y

system%282x%2B2y=56%2Cxy=171%29

x%2By=28
-
x%2828-x%29=171
28x-x%5E2=171
x%5E2-28x=-171
x%5E2-28x%2B171=0
%28x-19%29%28x-9%29=0


Dimensions are 9 and 19.