SOLUTION: If the sides of a square are lengthened by 8cm, the area becomes 169cm^2 find the length of a side of the orginal square. This one has me stumped and am not sure how to solve it.
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Question 330521: If the sides of a square are lengthened by 8cm, the area becomes 169cm^2 find the length of a side of the orginal square. This one has me stumped and am not sure how to solve it. Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! let the side be x
new side = x+8
(x+8)(x+8)=225
(x+8)^2=15^2
Take square root
x+8= 15
x= 15-8
x=7 cm
