A set of points that has the same fixed distance from a point, called the center of the circle.

A portion of a disk that is bounded by two radii and a circular arc. Also known as simply sector for short

Any line segment from the center of a circle to its circumference

A measure of the separation between two rays which share a common starting point

The ratio of a circle’s circumference to its diameter. Its value is approximately 3.14, andits symbol is the Greek letter \pi

Mathagon

The Number π

Solve math problems, activities and exercises related to "How Do You Calculate the Area of a Circular Sector?".