SOLUTION: the area of a square is A cm square.find an expression for its perimeter in terms of A.

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Question 1168280: the area of a square is A cm square.find an expression for its perimeter in terms of A.
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Let x be side length of the square.
x%5E2=A for the area.

Side length is then sqrt(A).
Four of these are summed to give the perimeter of the square, so perimeter is highlight%284%2Asqrt%28A%29%29.

Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.

    perimeter = 4%2Asqrt%28A%29 centimeters.     ANSWER

Solved.