Find the cost of fencing a circular field of 560 metres radius at Rs 332 per 10 metres

Explanation

`r = 560 m`

circumference of circulare field = `2 pi r`

`= 2 xx 22/7 xx 560 m`

`= 44 xx 80 m`

10m cost `= 332 rs`

1 m fencing cost`= 332/10 rs`

`44x80` m fencing cost=`332/10 xx 44 xx 80`

`=332 xx 352 =116864 rs`

...