Asked by eric
a swimming pool has an area of 40 square metres and a perimeter of 26 metres what is the length and width of the swimming pool and is it possible for a pool to have the same area but a larger perimeter?
Answers
Answered by
PsyDAG
W * L = 40
L = 40 - W
2L + 2W = 26
Substitute 40-W for L in the third equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.
For the last question, try halving one of the dimensions.
L = 40 - W
2L + 2W = 26
Substitute 40-W for L in the third equation and solve for W. Insert that value into the first equation to solve for L. Check by putting both values into the second equation.
For the last question, try halving one of the dimensions.
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