Oregon Department of Human Services / Seniors & People with Disabilities / Intellectual and Developmental Disabilities.
Note [Deprecated. The linear element defines the value of a param element at a particular time, relative to the start of the transition or effect that contains the param element. The linear element causes the parameter to make a smooth transition from its previous value to the new value. For an instantaneous jump to a new value, use the at element. Attributes.
A linear pair is a pair of angles that lie next to each other on a line and whose measures add to equal 180 degrees. You may start to notice that a linear pair can be found in a lot of places, like where a tree meets level ground or where the body of an airplane connects to its wing.