Question 1076357: If the sides of a square are shortened by 4 cm, the area becomes 36 cm. find the length of a side of the original square. Found 2 solutions by Boreal, josmiceli:Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! x^2 is area of original square
(x-4)^2 is new square=36 cm^2
x^2-8x+16-36
x^2-8x-20-0
(x+2)(x-10)=0
x=10 cm was the original square's side ANSWER
The new one is 4 less or 6, with area 36 cm^2.
You can put this solution on YOUR website! Let = a side of the original square ( by looking at it ) ( can't use the negative solution )
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The sides of the original square are 10 cm
check:
OK
