## The Circle and Parts of a Circle

The Circle A circle is a plane curve consisting of all points that have the same distance from a fixed... Click here to read more

From basic to higher mathematics

The Circle A circle is a plane curve consisting of all points that have the same distance from a fixed... Click here to read more

In geometry, a large number of facts about circles and their relations to straight lines, angles and polygons can be... Click here to read more

Consider the first figure and suppose that one semi-circle is cut from the center near the circumference in each direction. Then... Click here to read more

It we measure the circumference and diameter of various circles, we will find that the ratio of the circumference and... Click here to read more

Annulus: A circular ring (annulus) is plane figure bounded by the circumference of two concentric circles of two different radii.... Click here to read more

A sector is a portion of a circle bounded by two radii and the arc joining their extremities. It is... Click here to read more

A segment is a portion of a circle which is cut off by a straight line not passing through the... Click here to read more

Ellipse An ellipse is a curved line such that the sum of the distance of any point in it from... Click here to read more

The perimeter or circumference of an ellipse is difficult to determine accurately. Various approximation formulas are given for finding the... Click here to read more