the length and breadth of a rectangular field are in the ratio is to 3:2 if the area of the field is 3456 metres^2 find the cost of fencing the field at rupees 3.5 metre
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let the length and breadth be 3x and 2x
area = l x b
3456=3x × 2 x
3456= 6x²
3456/6=x²
576=x²
√567=x
24= x
l= 3(24)
= 72
b= 2(24)
= 48
the cost of fencing = area x rupees
= 3456×3.5
=12096 rupees
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