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Point of Symmetry

A special center point for certain kinds of symmetric figures or graphs. If a figure or graph can be rotated 180° about a point P and end up looking identical to the original, then P is a point of symmetry.

 

Example:  

This is a graph of the curve together with its point of symmetry (–2, 1).

The point of symmetry is marked in red.

 

See also

Symmetric with respect to the origin, axis of symmetry

 


  this page updated 28-jul-14
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
NCTM Web Bytes December 2004 Web Bytes March 2005 Web Bytes