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Original Question
If the sides of a square are lenthened by 7 cm, the area becomes 222 cm squared. Find the length of a side of the original squa...Asked by Justin
If the sides of a square are lengthened by 7cm, the area becomes 121cm2. Find the length of a side of the original square.
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Answered by
Bosnian
a=leght of side of original square
b=leght of side of new square
b=a+7
a=b-7
Area of new square is:
A=b^2=121
b=sqroot(121)=11
a=b-7=11-7=4
Length of a side of the original square is 4
b=leght of side of new square
b=a+7
a=b-7
Area of new square is:
A=b^2=121
b=sqroot(121)=11
a=b-7=11-7=4
Length of a side of the original square is 4
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