Question

The radius of a circular field is 210m the cost of fencing its circumference at the rate of 1. 25 rupees per meter is

Answer 1

circumference =60*22
=1320
Cost per m =1.25
total cost=1320*1.25
=1650

Answer 2

circumference of field = 2pie r
                                      = 2*22/7*210
                                      = 1320m
cost of 1m = 1.25 rupees
cost of 1320 m= 1320*1.25   
                          = rs 1650