MathWorld

Geometry

Inversive Geometry       Antihomography Inversion Poncelet's Porism Cap-Cyclide Coordinates Inversion Center Poncelet Transverse Chordal Theorem Inversion Circle Power (Circle) Coaxal Circles Inversion Sphere Radical Center Coaxal System Inversive Distance Radical Line Coaxaloid System Inversive Geometry Reciprocal Homography Limiting Point Reciprocation Horn Cyclide Midcircle Salmon's Theorem Inverse Curve Midradius Sphere Inversion Inverse Oblate Spheroidal... Midsphere Steiner Chain Inverse Points Polar Steiner's Porism Inverse Prolate Spheroida... Pole (Inversion)