Question

The radius of circumfernce park is 63m.find the cost of fencing it at ₹12 per meter.solution

Answer 1

approximately answer is 4536 rs

Answer 2

Radius of circular park = 63 m.

Circumference = 2*π*radius
= 2*22/7*63
= 44*9
= 396 m.

Now,
Rate of fencing the circumference of the circular park = Re.12 per metre

So,
the cost of fencing = Circumference*Rate
= 396 * 12
= Re.4752.

Hope this helps...