Learn what a plane is. Learn the plane definition in geometry and see examples. Learn how to name a plane and compare parallel planes to intersecting planes.

Get an overview of planes in geometry in our 5-minute video lesson. Master its concept with clear examples and test your knowledge with a quiz at the end!

Learn what a plane shape is. Discover examples of flat shapes and plane geometric figures, and identify some of the many types of plane shapes used in geometry.

What are the Undefined Terms in Geometry? The point, line, plane, and set are popular examples of undefined terms in geometry.

Learn the definition of coordinate geometry. Along with learning what coordinate geometry is, discover major coordinate geometry formulas and their use.

Understand the use of geometric notation and different geometry symbols such as the plane symbol, point symbol, bisect symbol, parallel symbol, line symbol, and congruent symbol.

The Definition of Euclidean Geometry Euclidean Geometry is an area of mathematics that studies geometrical shapes, whether they are plane (two-dimensional shapes) or solid (three …

Learn about the geometric concept of coplanar lines. Discover a geometry definition for both coplanar and non coplanar lines with diagrams and examples.

What is a ray? Learn the definition and geometry of rays. Understand the shape of a ray and what a ray looks like. Discover some examples of rays in geometry.

Learn what coplanar points are. Examine how to determine if lines and points are coplanar or non-coplanar, and study coplanar examples and applications.