SOLUTION: If the sides of a square are lengthened by 8cm, the area becomes 144cm^2. Find the length of a side of the original square.

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Question 199167: If the sides of a square are lengthened by 8cm, the area becomes 144cm^2. Find the length of a side of the original square.
Answer by rfer(12670) About Me  (Show Source):
You can put this solution on YOUR website!
The new area is 144 cm^2.
A square has equal sides so 12x12=144 for the new one.
12-8=4cm