# Category:Definitions/Geometric Figures

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This category contains definitions related to Geometric Figures.

Related results can be found in **Category:Geometric Figures**.

A **geometric figure** is intuitively defined as a set of points and lines in space.

In the words of Euclid:

*A***figure**is that which is contained by any boundary or boundaries.

(*The Elements*: Book $\text{I}$: Definition $14$)

The boundary may or may not be included in a particular figure. If this is important (and in the study of topology it usually is), then whether it is included or not needs to be specified.

## Subcategories

This category has the following 3 subcategories, out of 3 total.

### A

- Definitions/Altitudes (Geometry) (11 P)

### P

- Definitions/Plane Figures (4 P)

## Pages in category "Definitions/Geometric Figures"

The following 16 pages are in this category, out of 16 total.