The volume of a cylinder is defined as the number of cubic units that will exactly fill the cylinder.
A sphere does not have any vertices or edges like other solid objects. It has only one surface. There are many examples of spheres - ball, marbles etc.
The volume of a cone is defined as the number of cubic units that will exactly fill the cone.
There are six Trigonometric Functions and it is very easy to remember them with just two tricks.
A quadratic formula in Mathematics is used to find out the roots of a quadratic equation.