The sum of the area of two square field is 468m2. If the diffrence of their perimeter is 24m, find the sides of the two square.
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sameersharma20116:
468m upper me square 2 hai
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Let us say that the sides of the two squares are 'a' and 'b'
Sum of their areas = a^2 + b^2 = 468
Difference of their perimeters = 4a - 4b = 24
=> a - b = 6
=> a = b + 6
So, we get the equation
(b + 6)^2 + b^2 = 468
=> 2b^2 + 12b + 36 = 468
=> b^2 + 6b - 216 = 0
=> b = 12
=> a = 18
The sides of the two squares are 12 and 18.
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