Question

The total cost of fencing a circular field at 20 per metre is 440. Find:

(a) circumference of the field.
(b) radius of the field.
(c) area of the field.

wrong answer I Will report ​

Answer 1

Answer:

For Rs.24, then length of fencing =1m

For Rs.52 so, the length of fencing

=

24

1

×5280=220meters

Circumference of the field =220m

2pr=220

Therefore r=

44

220×7

=35m

Area of the field =πr

2

π(35)

2

=1225

Cost of ploughing =Rs.0.50 per m

2

Total cost of ploughing the field =Rs.1225

=

7×2

1225×22×1

=Rs,1925.