math

1. voronoi diagrams

1.1. The partitioning of a plane with n points into convex polygons such that each polygon contains exactly one generating point and every point in a given polygon is closer to its generating point than to any other.

1.1.1. example

2. circle

2.1. is a colection of that are equidistant from a fixed point

2.1.1. Sections of a circle

2.1.1.1. chord

2.1.1.2. arc

2.1.1.2.1. is a part of a cricle circumference

2.1.1.2.2. length of an arc

2.1.1.3. central angles

2.1.1.3.1. area of a sector

2.1.1.3.2. perimeter of a sector

3. radian measure of angles

3.1. is the measure of the distance or path traveled along a curve or linear dimension

3.1.1. formula