Prove that the area of a circular path of uniform width `h` surrounding a circular region of radius `r` is`pi\ h(2r+h)dot`

Prove that the area of a circular path of uniform width h surrounding a circular region of radius r is pih(2r+h) .

Prove that the area of a circular path of uniform width h surrounding a circular region of radius r is pih(2r+h) .

The area of a circular path of uniform width h surrounding a circular region of radius r is (A) pi (h+2r)r (B) pi h(2r+h)dot (C) pi (h+r) r (D) pi (h+r) h

The area (in m^2 ) of a circular path of uniform width x metres surrounding a circular region of diameter d metres is .....

A path of 7m width runs around a circular park whose radius is 18m . Find the area of the path.

Represent omega in a circular path of radius r ?

There is a path of uniform width 7 m round and outside a circular garden of diameter 210 m. Find the area of the path.

If a hemisphere of radius r unit is placed on one end of a right circular cyllinder of radius r unit and height h unit and a right circular cone of radius r unit and height h unit on the other end of the cylinder , then the total surface area of the new solid object will be pir (2h+2r+sqrt(h^(2)+r^(2))) sq - unit

Find the volume of a right-circular cone of base radius r and height h.