The radius of a circle or a sphere is the distance between the center and the edge. The radius can be used to calculate a circle's diameter, area and circumference. Likewise, a sphere's volume is ...

All of you must have been calculating the area of a circle since your primary academic years. The area of a circle is a basic concept in Mathematics. It forms an important part of Geometry. Though ...

A circle is a shape where every point at its edge is the same distance from the centre. A circular shape or object is one that is in the form of a circle. How many of these circular objects can you ...