D

=Geometry Definitions=

Dk || Whether big or small the shape is always the same. || RegentsPrep || media type="youtube" key="FV518nWd3q0" height="315" width="420" ||
 * ===GeometryTerm=== || ===Definition=== || ===Picture=== || ===Notation=== || Way to Remember || ===Website=== || ===Examples=== ||
 * Dilation || When a polygon becomes bigger or smaller without changing shape. || [[image:Dilation.JPG width="135" height="166"]] || The notation for a dilation is