Mathematics
A hemisphere of lead of radius 12 cm is melted and cast into a right circular cone of height 54 cm. Find the radius of the base of the cone.
Related Questions
The surface area of a solid metallic sphere is 616 cm2 . It is melted and recast into smaller spheres of diameter 3.5 cm. How many such spheres can be obtained?
A copper sphere having a radius of 6 cm is melted and then drawn into a cylindrical wire of radius 2 mm. Calculate the length of the wire.
A spherical metallic ball of radius 3 cm is melted and recast into three spherical balls. The radii of two of these balls are 2.5 cm 2 cm respectively. Find the radius of the third ball.
A solid metallic sphere of radius 6 cm is melted and made into a solid cylinder of height 32 cm. Find the:
(i) radius of the cylinder
(ii) curved surface area of the cylinder
(Take π = 3.1)