SOLUTION: If the sides of a square are lengthened by 8cm, the area becomes 169cm^2. Find the length of the original square. Can anyone please help me with this? THank you!

Question 315722: If the sides of a square are lengthened by 8cm, the area becomes 169cm^2. Find the length of the original square.
Can anyone please help me with this? THank you!
Answer by palanisamy(496) (Show Source): You can put this solution on YOUR website!
Let the length of the side of the original square = x
It is increased by 8 cm
So, the length of the side of the new square = x+8
The area of the new square is (x+8)^2=169
Taking square root,
x+8= Sqrt(169)
x+8=13
x = 13-5
x=5 cm

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