A circular pond is to be surrounded by a gravel path. Use the diagram to find the square feet of gravel needed if we know the pond has a radius of 200 ft and the radius of the whole space is 250 ft?

Question

Trevor Rivas

Mathematics

31 December, 20:02

A circular pond is to be surrounded by a gravel path. Use the diagram to find the square feet of gravel needed if we know the pond has a radius of 200 ft and the radius of the whole space is 250 ft?

+1

Answers (1)

Know the Answer?

Abram Conway · Answer 1

Find the area of gravel path

gravel path area = Total area - area of the pond

= pi rt^2 - pirp^2

where

rt = 250ft

rp=200ft

gravel path area = 70685.83ft^2

the area of the gravel path is equal to 70685.83ft^2