University of Georgia
University of Georgia: Inter Math: Parallel Planes
This site gives a description of parallel planes along with a visual representation. Be sure to use the links to related terms, everyday examples, more information, and the interactive check point involving parallel planes located in the...
Wolfram Research
Wolfram Math World: Parallel Planes
MathWorld.com gives a definition of parallel planes along with an if and only if (iff) statement to determine if two planes are parallel. The understanding of the dot product and/or cross product is necessary to utilize the iff...