Question

The radius of circular ground is 1.4m. How much
will it cost to fence the flot with 4 round at the
rate of a 60 per metre?​

Answer 1

Answer:

radius of ground=1.4m

circumference =area to fence

circumference=

$2\pi \: r = 8.8m {}^{2}$

acc. to question,

its is fenced 4 times=

$4(8.8) = 35.2m {}^{2}$

cost of fencing =

$35.2 {m}^{2} \times 60rupees \\ = 2112rupees$