Find the cost of fencing a rectangular ground whose length and breadth are in the ratio 4:3 and
area is 768 m2 at the rate of 25 per meter,
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Step-by-step explanation:
First length and breadth-
768=l×b
=4x×3x
=12x^2
x^2=768÷12
x^2=64
x=8
4x=32m
3x=24m
perimeter=2(l+b)
=2×56
=112m
total cost of fencing=25×112
=rupees 2800
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