Pyramid

Pronunciation: /ˈpɪr.ə.mɪd/ Explain

A pyramid is a polyhedron formed by connecting a polygonal base and a point, called the apex. A regular pyramid has a regular polygon as its base. A right pyramid is where the apex is directly overflow the center of the base. A right regular pyramid is a right pyramid with a regular polygon as a base.

Click on the blue points and drag them to change the figure. Manipulative 1 - Pyramid Created with GeoGebra.

References

1. McAdams, David E.. All Math Words Dictionary, pyramid. 2nd Classroom edition 20150108-4799968. pg 147. Life is a Story Problem LLC. January 8, 2015. Buy the book
2. Keller, Samuel Smith. Mathematics for Engineering Students, Plane and Solid Geometry. pg 165. www.archive.org. D. Van Nostrand Company. 1908. Last Accessed 12/3/2018. http://www.archive.org/stream/mathengineer00kellrich#page/165/mode/1up/search/pyramid. Buy the book

Cite this article as:

McAdams, David E. Pyramid. 12/21/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/p/pyramid.html.

Image Credits

• All images and manipulatives are by David McAdams unless otherwise stated. All images by David McAdams are Copyright © Life is a Story Problem LLC and are licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

Revision History

12/21/2018: Reviewed and corrected IPA pronunication. (McAdams, David E.)
12/1/2018: Removed broken links, updated license, implemented new markup, updated geogebra app. (McAdams, David E.)
8/3/2018: Initial version. (McAdams, David E.)