How much cardboard is required to make 35 penholders in the shape of cylinders, each of radius 3 cm and height 10.5 cm ?

Find the volume of a cylinder of radius 3.5 cm and height 8 cm.

A metallic solid sphere of radius 10.5 is melted and recasted in to smaller solid cones each of radius 3.5 cm and height 3 cm .How many cones will be made?

A metallic solid sphere of radius 10.5 is melted and recasted in to smaller solid cones each of radius 3.5 cm and height 3 cm .How many cones will be made?

A metallic sphere of radius 4.9 cm is melted and recast into the shape of a cylinder of radius 7 cm. Find the height of cylinder.

A metallic sphere of radius 5.4 cm is melted and recast into the shape of a cylinder of radius 9 cm. Find the height of the cylinder.

A metallic sphere of radius 2.1 cm. is melted and recast into the shape of a cylinder of radius 3cm. Find the height of the cylinder.

If a metallic sphere of radius 6cm is melted and recast into the shape of a cylinder of radius 3cm, then the height of the cylinder is

A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. Find the height of the cylinder.

A metallic sphere of radius 4.2 cm is melted and recast into the shape of cylinder of radius 6 cm. Find the height of the cylinder.

A metallic sphere of radius 4.2 cm is melted and recast into the shape of a cylinder of radius 6 cm. find the height of the cylinder.