SOLUTION: If the sides of a square are decreased by 3cm, the area is decreased by 81 cm^2. What were the dimentions of the original square?
My answer for this one was 15cm by 15cm. Is thi
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Question 70973: If the sides of a square are decreased by 3cm, the area is decreased by 81 cm^2. What were the dimentions of the original square?
My answer for this one was 15cm by 15cm. Is this correct?
Thanks.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Yeah you got this right. You can check by finding the area of a square of length 15 cm. 15*15=225 and find the length of a square of 12 cm: 12*12=144 which is 81 away from 225 (ie 225-144=81)
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