A cylinder is a body of uniform diameter throughout its entire length, whose ends are equal parallel circles.

Cylinder

A cylinder is a body of uniform diameter throughout its entire length, whose ends are equal parallel…

A sphere is a solid bounded by a uniformly curved surface, every point of which is equally distant from a point within, called the center.

Sphere

A sphere is a solid bounded by a uniformly curved surface, every point of which is equally distant from…