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Question

Sum of area of two square is 468m2 and difference in the perimeter square is 24. What is the measure of the their sides?

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Solution

Letsideofthefirstsquarebexandsideofsecondsquareisy,then,fromthequestionx2+y2=468m2(1)Perimeterofsquare=4xand4y4x4y=24xy=6y=x6(2)Putting(2)inequn(1)wegetx2+(x6)2=468x2+x2+3612x=4682x212x432=0x26x216=0x=b±b24ac2a=(b)±9002×1=6±302x=362=18andx=242=12[doesnotexist]so,y=x6=12Hence,thesidesofthesquareare18and12.

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