Antipodal

Pronunciation: /ænˈtɪ pədl/ Explain

Click on the blue point and drag it to change the figure.

Manipulative 1 - Antipodal Points Created with GeoGebra.

Two points on a circle or a sphere are antipodal if they are on the opposite sides of a diameter of that circle or sphere.[1] Click on the blue points in manipulatives 1 and 2 and drag them to change the figure. Points that are antipodal are also called diametrically opposed.

Click on point A and drag it to change the figure

Points A and B are antipodal.
Manipulative 2 - Antipodal Points in a Sphere Created with GeoGebra.

References

  1. antipodal. merriam-webster.com. Encyclopedia Britannica. Merriam-Webster. Last Accessed 8/6/2018. https://www.merriam-webster.com/dictionary/antipodal.

Cite this article as:

McAdams, David E. Antipodal. 7/10/2018. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/a/antipodalpoints.html.

Image Credits

Revision History

6/14/2018: Removed broken links, changed Geogebra links to work with Geogebra 5, updated license, implemented new markup. (McAdams, David E.)
12/31/2009: Added "References". (McAdams, David E.)
4/3/2009: Changed manipulative 2 to show antipodal points for any point on the sphere. (McAdams, David E.)
12/19/2008: Added vocabulary links. (McAdams, David E.)
12/5/2008: Initial version. (McAdams, David E.)

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