1.

Find the cost of fencing a rectangular ground whose length and breadth are in the ratio 4:3 andarea is 768 m2 at the rate of 25 per meter,​

Answer»

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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