# Definition:Geometric Figure/Three-Dimensional Figure

< Definition:Geometric Figure(Redirected from Definition:Solid Figure)

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## Definition

A **three-dimensional figure** is a **geometric figure** which cannot be embedded in the plane, but which **can** be embedded in three-dimensional space.

### Face of Three-Dimensional Figure

The **faces** of a three-dimensional figure are the surfaces which form its extremities.

## Also known as

A common term for a **three-dimensional figure** is **solid figure**.

However, this is misleading, as it is usual to be studying the surfaces of such **figures**, which themselves are *not* solid as such.

In the words of Euclid:

(*The Elements*: Book $\text{XI}$: Definition $1$)

## Also see

- Results about
**three-dimensional figures**can be found**here**.