Question

If the diameter of the circular pond is 70 m, Find the cost of fencing around it with 4 rounds at Rs.12 per meter.

Answer 1

Answer:

2640 is the correct answer

Answer 2

Answer:

diameter=70m

raidius=35m

circumference=2πr

                       =2×$\frac{22}{7}$×35

                      =2×22×5------------------#

                      =220

therefore cost= 220×12=2640

#= 7 and 35 get cancelled and 35 becomes 5

hope it was helpful :)