Inner Soddy Center

Author

Eric W. Weisstein
December 5, 2004

This notebook downloaded from http://mathworld.wolfram.com/notebooks/PlaneGeometry/InnerSoddyCenter.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/InnerSoddyCenter.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Structures Passing through It

pt=InnerSoddyCenter;

Circles

First/@Select[{#,IncidentCenters[{pt},#]}&/@Circles,Last[#]=!={}&]

Circle Centers

First/@Select[{#,IncidentCenters[{pt},CircleCenter[#]]}&/@Circles,Last[#]=!={}&]

Conics

First/@Select[{#,IncidentCenters[{pt},#]}&/@Conics,Last[#]=!={}&]

Cubics

First/@Select[{#,IncidentCenters[{pt},#]}&/@TriangleCubics,Last[#]=!={}&]

Lines

First/@Select[{#,IncidentCenters[{pt},#]}&/@Lines,Last[#]=!={}&]