Circles

Incircle
Circumcircle
Nine-Point Circle
Spieker Circle
Bevan Circle
Apollonius Circle
Radical Circle of the Excircles
Brocard Circle
Orthocentroidal Circle
Lemoine Circle
Circles of the Incentral Triangle
Circles of the Excentral Triangle
Circles of the Medial Triangle
Circles of the Anticomplementary Triangle
Circles of the Orthic Triangle
Circles of the Symmedial Triangle
Circles of the Tangential Triangle
Circles of the Intouch Triangle
Circles of the Extouch Triangle
Circles of the Circum-Incentral Triangle
Circles of the Circum-Medial Triangle
Circles of the Circum-Orthic Triangle
Circles of the Half-Altitude Triangle
Circles of the First Brocard Cevian Triangle
Circles of the Second Brocard Cevian Triangle
Circles of the Euler Triangle
Circles of the Feuerbach Triangle
Circles of the Intangents Triangle
Circles of the Extangents Triangle
Circles of the Mixtilinear Triangle
Circles of the Fuhrmann Triangle
Circles of the Mid-Arc Triangle
Circles of the Reflection Triangle
Circles of the First Brocard Triangle
Circles of the Second Brocard Triangle
Circles of the Third Brocard Triangle
Circles of the Fourth Brocard Triangle
Circles of the Yff Central Triangle
Circles of the BCI Triangle
Circles of the Malfatti Triangle