# What is an Isometry in Geometry? Definition and Examples

What is an isometry in geometry? An isometry, also called isometric transformation, is a transformation in which a figure and its image are congruent.

## Three examples of isometry in geometry

**1.** One example of isometry is when a figure flips. This is called reflection. A real life example of this is a person looking at himself in the mirror.

**2.** Another example of isometry is when a figure slides to a new location. This is called translation. A real life example of this is a person moving his head up and forward.

**3.** One more example of isometry is when a figure turns. This is called rotation. A real life example of this is a person bending his head down.

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