# Geometry Terms and Definitions

Classified in Mathematics

Written at on English with a size of 1.58 KB.

#### Apothem

The perpendicular distance from the center of a regular polygon to a side of the polygon.

#### Center of a Circle

The point inside a circle that is the same distance from every point on the circle.

#### Center of a Regular Polygon

The point that is equidistant from all vertices of a regular polygon.

#### Central Angle of a Regular Polygon

An angle whose vertex is the center of the regular polygon and whose sides pass through consecutive vertices.

#### Circle

The set of points in a plane that are a fixed distance from a given point called the center of the circle.

#### Composite Figure

A plane figure made up of triangles, rectangles, trapezoids, circles, and other simple shapes, or a three-dimensional figure made up of prisms, cones, pyramids, cylinders, and other simple three-dimensional figures.

#### Geometric Probability

A form of theoretical probability determined by a ratio of geometric measures such as lengths, areas, or volumes.