en.wikipedia.org/wiki/Plane_(geometry)

In mathematics, a plane is a flat, two-dimensional surface that extends infinitely far. A plane is the two-dimensional analogue of a point (zero dimensions), a line ...

www.mathsisfun.com/geometry/plane.html

When we draw something on a flat piece of paper we are drawing on a plane ... ... except that the ... In geometry a "plane" is a flat surface with no thickness.

study.com/academy/lesson/what-is-a-plane-in-geometry-definition-examples.html

This lesson will help you understand the geometry concept of a plane. We will discuss how to name planes and look at some example problems. Then,...

www.mathplanet.com/education/geometry/points,-lines,-planes-and-angles/an-introduction-to-geometry

An introduction to geometry. A point in geometry is a location. It has no size i.e. no width, no length and no depth. A point is shown by a dot. Point. A line is ...

www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-intro-euclid/v/specifying-planes-in-three-dimensions

In a three-dimensional space, a plane can be defined by three points it contains, as long as those points are not on the same line. Learn more about it in this ...

www.mathopenref.com/plane.html

Definition of the geometric plane. ... Plane. From Latin: plantum - "flat surface,". A flat surface that is infinitely large and with zero thickness. Clearly, when you ...

www.icoachmath.com/math_dictionary/plane.html

A flat surface that extends into infinity...complete information about plane, definition of an plane, examples of an plane, step by step solution of problems ...

quatr.us/math/geometry/plane.htm

Just as a line is made of an infinite number of points, a plane is made of an infinite number of lines that are right next to each other. A plane is flat, and it goes on ...

www.virtualnerd.com/pre-algebra/geometry/points-lines-planes-angles/planes-angles/plane-definition