SOLUTION: Totally confused. Please help
If the sides of a square are lengthened by 7cm, the are becomes 225cm^2. Find the length of a side of the original square.
Yje length of a side
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Question 132153: Totally confused. Please help
If the sides of a square are lengthened by 7cm, the are becomes 225cm^2. Find the length of a side of the original square.
Yje length of a side of the original square is ____cm.
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
Take the square root of each side:
or
Reject the second case, since the side of a square must be positive!
cm
R^2
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