Find the volume of a cone given that its height is 8 cm and the area of base 156 cm².

The circumference of the edge of a hemispherical bowl is 132 cm. Find the capacity of the bowl.

A solid is in the form of a cylinder with hemispherical ends. The total height of the solid is 19 cm and the diameter of the cylinder is 7 cm. Find the volume and the total surface area of the solid.

A solid wooden toy is in the shape of a right circular cone mounted on a hemisphere. If the radius of the hemisphere is 4.2 cm and the total height of the toy is 10.2 cm, find the volume of the toy.