SOLUTION: The length and the width of a rectangle is respectively 8 cm larger and 4 cm shorter than the side of a square of equal area. What is the length of one side of the square?

Question 936538: The length and the width of a rectangle is respectively 8 cm larger and 4 cm shorter than the side of a square of equal area. What is the length of one side of the square?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Let x be the side of the square.
and A is not given but expected to be a constant.

The dimensions of the rectangle: and .

Same areas, so .

The situation is of two expressions for the same area A.

You do the rest. Any difficulty?
(Could be solved in three steps, maybe four).

x=8
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