Base (geometry)

Pronunciation: /beɪs/ ?
Image of a triangle showing the base and an image of a cone showing a base.
Figure 1 - Base.

The base of a geometric figure is the 'bottom' of the figure.[1] However, many geometric objects can be considered to have more than one base. For example, any side of a triangle can be considered a base.


  1. base. Encyclopedia Britannica. (Accessed: 2010-01-04).
  2. Davies, Charles, LL.D.. Element of Geometry and Trigonometry with Applications in Mensuration, pg 14. A.S. Barnes & Company, 1855. (Accessed: 2010-01-08).

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Base (geometry). 2010-01-08. All Math Words Encyclopedia. Life is a Story Problem LLC.


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Revision History

2010-01-04: Added "References" (McAdams, David.)
2008-11-20: Initial version (McAdams, David.)

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