SOLUTION: if the sides of a square are lengthened by 5 cm, the area becomes 100 cm^2. find the length of a side of the original square

SOLUTION: if the sides of a square are lengthened by 5 cm, the area becomes 100 cm^2. find the length of a side of the original square

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Question 460112: if the sides of a square are lengthened by 5 cm, the area becomes 100 cm^2. find the length of a side of the original square
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
side of square =x yards
increased by 5 yard
..
new length = x+5
Area L^2
(x+5)^2= 100
Take the square root on both sides
(x+5)=10
x=5 yards
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