Question

To fence a circular field, the total cost is 26400 at
the rate of 50 per metre. Find the cost of ploughing
the field at the rate of 10 per metre square.​

Answer 1

Answer:

circumference of circular field = 2. pi.r

ATQ

2 x 22/7 x radius = 26400/50 = 528

radius = 84 m

area of circular field = π r² =22/7 x 84 x 84= 22176

the cost of ploughing

the field at the rate of 10 per metre square.

= 22176 x 10 = 221760 rupees..

hope this will help you