# Symmetric

Symmetric – Identical parts facing each other. The simplest type is a mirror.

**See metal tick** (symmetric) with a mirror. (Mirrors always provide a symmetrical view in reflection.)

**Example 1**

A circle is symmetrical through any line that divides it perfectly in half.

**Example 2**

A rectangle is symmetrical about a vertical line through the centre, and a horizontal line through the centre.

**Example 3**

This triangle is symmetrical about the vertical line passing through its centre.

**Example 4**

This plane shape is symmetrical about the red line that passes through it.

**Example 5**

Lines such as the ones above or those on a graph may also be symmetrical.