Answer to Question #15257 in Geometry for Carol
represent the length. Write an expression for the width in terms of x. Use this expression to
write a formula for the perimeter, p, in terms of the unknown value, x.
A = w*x.
So, the expression for the width is
w = A/x.
The formula for the perimeter is
p = 2(x+w) = 2(x+A/x).
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