A Right triangle whose sides are 15 cm and 20 cm; is made to revolve about its hypotenuse. Find the volume and surface area of the double cone so formed.

A Right triangle whose sides are 15cm and 20cm; is made to revolve about its hypotenuse. Find the volume and surface area of the double cone so formed.

A right triangle whose sides are 15 cm and 20 cm is made to revolve about its hypotenuse . Find the volume and the surface area of the double cone so formed. (use pi=3.14)

A right triangle, whose base and height are 15 cm and 20 cm respectively is made to revolve about its hypotenuse. Find the volume and surface area of the double cone so formed.

A right triangle, whose base and height are 15 cm and 20 cm respectively is made to revolve about its hypotenuse. Find the volume and surface area of the double cone so formed.

A right triangle, whose base and height are 15 cm and 20 cm. respectively is made to revolve about its hypotenuse. Find the volume and surface area of the doble cone so formed. (use pi = 3.14)

A right triangle, whose sides are 3cm and 4cm (other than hypotenuse)ismade to revolve about its hypotenuse. Find the volume and surface area of the double cone so formed. (Choose value of pi as found appropriate.)