Question

Find the cost of the fencing wire at the rate of Rs.9 per metre around a square farm whose sides of 72m each​

Answer 1

Answer:

Perimeter of farm = 4 × 72 cm = 288 cm

Rate of fencing = Rs. 9 per metre

Cost of fencing = Rate × Perimeter

= Rs. 9 × 288

= Rs. 2592

Answer 2

Answer:

Given,

Cost of fencing per metre= Rs.9

Square farm of sides 72 metres each.

We have to put the fencing wire around the square farm, i.e perimeter of square farm.

We know perimeter of a square= 4a.

So perimeter of square farm= 4x72= 288m.

So cost of fencing wire around the farm will be

288m x 9 Rs= Rs.2592.

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