Chapter 15 Tessellations
* A tessellation is made when a shape (or shapes) is repeated, covering a plane (or surface) without gaps or overlaps to form patterns.
tessellation - A tessellation is a pattern that can be made using any number of repeated shape(s) fitted together to cover a surface without any gaps or overlap.
repeated shape - A repeated shape is a unit shape in a tessellation.
slide - To move a shape in any direction to a new position.
rotate - To rotate means to turn a shape about a point. This point is called the center of rotation.
flip - To turn a shape front to back over a line.
modify - To modify a shape means to alter or create a new shape for a tessellation.