Posted by **mary-beth** on Wednesday, November 29, 2006 at 2:02pm.

a house has two rooms of equal area. one room is square and the other room a rectangle, four feet narrower and 5ft longer than the square one. find the area of each room?

let x = dimensions of the square.

Rectangle then is x-4 and x+5

Set areas equal.

area of square is x

^{2}
area of rectangle is (x-4)*(x+5).

(x-4)*(x+5)=x

^{2}
solve for x which will be sides of the square. Square that to obtain the area.

Post your work if you get stuck.

- math -
**Anonymous**, Wednesday, March 2, 2016 at 10:07pm
8ft

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