Question

The cost of levelling the area of the circular pathway is ₹ 12,012 at the rate of ₹6 per m2 . Find the area of the pathway. Inner circular radious is 28m. Find the outer radious?

Answer 1

area of pathway = 12012/6

=2002m²

also,

area of pathway = π(R²-r²)

wher R=outer radious.

r =inner radious

now you can find your ans.