
In geometry, tube or cylinder is built of three-dimensional space formed by two identical parallel circle and a rectangle that surrounds the circle. The cylinder has three sides and two ribs. Both of the circle is called the base and lid, blanket which enveloped the tube is an rectangle.
The tube consists of the base and curved sides (covers);
The top and base are congruent circular;
Lines EA, EB and EC is the radius of the tube;
The...