Question

1. Find the cost of fencing a square field with 20.9 m long side at the rate of 9 per metre​

Answer 1

In context to questions asked

We have to determine the cost for fencing a square field having side 20.9 m

As we know that

For fencing we will fence the outer boundary of the field

So we will determine the perimeter of field.

As we know that

Perimeter of field will be

$4 \times side$

So perimeter of field will be

$4 \times 20.9 = 83.6 \: m$

So cost of fencing will be,

$83.6 \times 9 = 752.4 \: rs$

Hence cost of fencing will be Rs 752.4