What is the central angle of the sector to be used to make a cone of base radius `sqrt2` centimetres and height 4 centimetres?

What is the central angle of the sector to be used to make a cone of base. radius 10 centimetres and slant height 25 centimétres?

What is the volume of a cylinder of base radius 4 centimetres and height 20 centimetres?

What is the area of the curved surface a cone of base radius 12 centimetres and slant height 25 centimetres?

Whatis the area of the curved surface of a cone of base radius 12 centimetres and slant Height 25 centimetres?

What is the surface area of a cone of base diameter 30 centimetres and height 40 centimetres?

What is the area of the curved surface of a cylinder of base radius 4 centimetres and. height 10 centimetres?

What is the volume of a square pyramid of base edge 10 centimetres and slant height 15 centimetres?

The base radius and height of a solid metal cylinder are 12 centimetres and 20 centimeters. By melting it and recasting, how many cones of baseradius 4 centimetres and height 5 centimetres can be made?

A solid metal cylinder is of base radius 18 çentimetres and height 40 centimetres. By melting this down, how many cylinders of base radius 2 centimetres. and height 5 centimetres can be made?