From the Greek for "equal measurement".

Where

Example:

But

Where

**distances**between points stay the same after a transformation.Example:

**rotation**is isometric: the distance between points on the triangle don't change after we rotate the triangle.But

**resizing**is**not**isometric: the distance between points on the triangle will change after we resize the triangle.
Copyright © 2018 MathsIsFun.com