Question

find the cost of fencing a Wall of radius 1 point 54 metre at the rate of 75 rupees
per metre​

Answer 1

Answer:

here

radius = 1.54 m

if the wall is in circular shape then it's circumference will be 2πr = 2 x 22/7 x 1.54

= 2 x 22 x 0.22 = 9.68m

if the cost of fencing 1 metre is 75 rupees

then the cost of fencing 9.68m is

9.68 x 75 =726 rupees