the length and breadth of a rectangular piece of land in ratio 5:3 if the total cost of fencing it at rate of ₹24/m is ₹9600,find its length and breadth
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we have total cost of fencing =9600
cost of fencing one metre =24
so total fenced area=9600/24=400m
let the length of rectangular piece be 5x and breadth be3x
so,
area of rectangle=l×b
9600=5x×3x
9600=15x^2
x^2=9600/15
x^2=426.66
x=√426.66
x=20.655
l=5x=5×20.655
=103.275
B=3x=3×20.655
=61.965
cost of fencing one metre =24
so total fenced area=9600/24=400m
let the length of rectangular piece be 5x and breadth be3x
so,
area of rectangle=l×b
9600=5x×3x
9600=15x^2
x^2=9600/15
x^2=426.66
x=√426.66
x=20.655
l=5x=5×20.655
=103.275
B=3x=3×20.655
=61.965
krrish78:
wrong answer
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