Excentral Triangle = Antipedal Triangle of the Incenter.

The Excentral Triangle is congruent to the Anticomplementary Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is congruent to the Circum-Incentral Triangle of the Anticomplementary Triangle.

The Excentral Triangle is similar to the Intouch Triangle.

The Excentral Triangle is similar to the Pedal Triangle of the Incenter.

The Excentral Triangle is similar to the Circum-Incentral Triangle.

The Excentral Triangle is similar to the Cyclocevian Triangle of the Gergonne Point.

The Excentral Triangle is similar to the Half-cevian Triangle of the Nagel Point.

The Excentral Triangle is similar to the s-Reflection Triangle of the Incenter.

The Excentral Triangle is similar to the Fuhrmann Triangle.

The Excentral Triangle is similar to the Yff Central Triangle.

The Excentral Triangle is similar to the Intouch Triangle of the Medial Triangle.

The Excentral Triangle is similar to the Medial Triangle of the Intouch Triangle.

The Excentral Triangle is similar to the Medial Triangle of the Excentral Triangle.

The Excentral Triangle is similar to the Intouch Triangle of the Anticomplementary Triangle.

The Excentral Triangle is similar to the Medial Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is similar to the Intouch Triangle of the Euler Triangle.

The Excentral Triangle is similar to the Medial Triangle of the Fuhrmann Triangle.

The Excentral Triangle is similar to the Orthic Triangle of the Mid-Arc Triangle.

The Excentral Triangle is similar to the Intouch Triangle of the First Brocard Triangle.

The Excentral Triangle is similar to the Medial Triangle of the Yff Central Triangle.

The Excentral Triangle is similar to the Excentral Triangle of the Medial Triangle.

The Excentral Triangle is similar to the Anticomplementary Triangle of the Intouch Triangle.

The Excentral Triangle is similar to the Anticomplementary Triangle of the Excentral Triangle.

The Excentral Triangle is similar to the Excentral Triangle of the Anticomplementary Triangle.

The Excentral Triangle is similar to the Excentral Triangle of the Euler Triangle.

The Excentral Triangle is similar to the Anticomplementary Triangle of the Fuhrmann Triangle.

The Excentral Triangle is similar to the Tangential Triangle of the Mid-Arc Triangle.

The Excentral Triangle is similar to the Excentral Triangle of the First Brocard Triangle.

The Excentral Triangle is similar to the Anticomplementary Triangle of the Yff Central Triangle.

The Excentral Triangle is similar to the Circum-Incentral Triangle of the Medial Triangle.

The Excentral Triangle is similar to the Circum-Incentral Triangle of the Euler Triangle.

The Excentral Triangle is similar to the Circum-Orthic Triangle of the Mid-Arc Triangle.

The Excentral Triangle is similar to the Circum-Incentral Triangle of the First Brocard Triangle.

The Excentral Triangle is similar to the Half-Altitude Triangle of the Intouch Triangle.

The Excentral Triangle is similar to the Half-Altitude Triangle of the Excentral Triangle.

The Excentral Triangle is similar to the Half-Altitude Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is similar to the Half-Altitude Triangle of the Fuhrmann Triangle.

The Excentral Triangle is similar to the Half-Altitude Triangle of the Yff Central Triangle.

The Excentral Triangle is similar to the Fuhrmann Triangle of the Medial Triangle.

The Excentral Triangle is similar to the Yff Central Triangle of the Medial Triangle.

The Excentral Triangle is similar to the Euler Triangle of the Intouch Triangle.

The Excentral Triangle is similar to the First Brocard Triangle of the Intouch Triangle.

The Excentral Triangle is similar to the Euler Triangle of the Excentral Triangle.

The Excentral Triangle is similar to the First Brocard Triangle of the Excentral Triangle.

The Excentral Triangle is similar to the Fuhrmann Triangle of the Anticomplementary Triangle.

The Excentral Triangle is similar to the Yff Central Triangle of the Anticomplementary Triangle.

The Excentral Triangle is similar to the Euler Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is similar to the First Brocard Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is similar to the Fuhrmann Triangle of the Euler Triangle.

The Excentral Triangle is similar to the Yff Central Triangle of the Euler Triangle.

The Excentral Triangle is similar to the Euler Triangle of the Fuhrmann Triangle.

The Excentral Triangle is similar to the First Brocard Triangle of the Fuhrmann Triangle.

The Excentral Triangle is similar to the Intangents Triangle of the Mid-Arc Triangle.

The Excentral Triangle is similar to the Extangents Triangle of the Mid-Arc Triangle.

The Excentral Triangle is similar to the Fuhrmann Triangle of the First Brocard Triangle.

The Excentral Triangle is similar to the Yff Central Triangle of the First Brocard Triangle.

The Excentral Triangle is similar to the Euler Triangle of the Yff Central Triangle.

The Excentral Triangle is similar to the First Brocard Triangle of the Yff Central Triangle.

For any point P not on the sidelines of Triangle ABC, the Excentral Triangle is perspective with the Cevian Triangle of P.

For any point P not on the sidelines of Triangle ABC, the Excentral Triangle is perspective with the Cyclocevian Triangle of P.

The Excentral Triangle is perspective with the Intouch Triangle.

The Excentral Triangle is perspective with the Pedal Triangle of the Incenter.

The Excentral Triangle is perspective with the Circum-Incentral Triangle.

The Excentral Triangle is perspective with the Cyclocevian Triangle of the Gergonne Point.

The Excentral Triangle is perspective with the Half-cevian Triangle of the Nagel Point.

The Excentral Triangle is perspective with the s-Reflection Triangle of the Incenter.

The Excentral Triangle is perspective with the Fuhrmann Triangle.

The Excentral Triangle is perspective with the Yff Central Triangle.

The Excentral Triangle is perspective with the Intouch Triangle of the Medial Triangle.

The Excentral Triangle is perspective with the Medial Triangle of the Intouch Triangle.

The Excentral Triangle is perspective with the Medial Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Intouch Triangle of the Anticomplementary Triangle.

The Excentral Triangle is perspective with the Medial Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is perspective with the Intouch Triangle of the Euler Triangle.

The Excentral Triangle is perspective with the Orthic Triangle of the Mid-Arc Triangle.

The Excentral Triangle is perspective with the Medial Triangle of the Yff Central Triangle.

The Excentral Triangle is perspective with the Excentral Triangle of the Medial Triangle.

The Excentral Triangle is perspective with the Anticomplementary Triangle of the Intouch Triangle.

The Excentral Triangle is perspective with the Anticomplementary Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Excentral Triangle of the Anticomplementary Triangle.

The Excentral Triangle is perspective with the Anticomplementary Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is perspective with the Excentral Triangle of the Euler Triangle.

The Excentral Triangle is perspective with the Tangential Triangle of the Mid-Arc Triangle.

The Excentral Triangle is perspective with the Excentral Triangle of the First Brocard Triangle.

The Excentral Triangle is perspective with the Anticomplementary Triangle of the Yff Central Triangle.

The Excentral Triangle is perspective with the Circum-Incentral Triangle of the Medial Triangle.

The Excentral Triangle is perspective with the Circum-Incentral Triangle of the Anticomplementary Triangle.

The Excentral Triangle is perspective with the Circum-Incentral Triangle of the Euler Triangle.

The Excentral Triangle is perspective with the Circum-Orthic Triangle of the Mid-Arc Triangle.

The Excentral Triangle is perspective with the Half-Altitude Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Half-Altitude Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is perspective with the Fuhrmann Triangle of the Medial Triangle.

The Excentral Triangle is perspective with the Yff Central Triangle of the Medial Triangle.

The Excentral Triangle is perspective with the Euler Triangle of the Intouch Triangle.

The Excentral Triangle is perspective with the First Brocard Triangle of the Intouch Triangle.

The Excentral Triangle is perspective with the Euler Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the First Brocard Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Yff Central Triangle of the Anticomplementary Triangle.

The Excentral Triangle is perspective with the Euler Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is perspective with the Yff Central Triangle of the Euler Triangle.

The Excentral Triangle is perspective with the Euler Triangle of the Fuhrmann Triangle.

The Excentral Triangle is perspective with the Intangents Triangle of the Mid-Arc Triangle.

The Excentral Triangle is perspective with the Extangents Triangle of the Mid-Arc Triangle.

The Excentral Triangle is perspective with the Euler Triangle of the Yff Central Triangle.

The Excentral Triangle is perspective with the Pedal Triangle of the Circumcenter.

The Excentral Triangle is perspective with the Pedal Triangle of the Orthocenter.

The Excentral Triangle is perspective with the Pedal Triangle of the de Longchamps Point.

The Excentral Triangle is perspective with the Pedal Triangle of the Bevan Point.

The Excentral Triangle is perspective with the Circumcevian Triangle of the Circumcenter.

The Excentral Triangle is perspective with the Circumcevian Triangle of the Bevan Point.

The Excentral Triangle is perspective with the Circumcevian Triangle of the Internal Center of Similitude of Circumcircle and Incircle.

The Excentral Triangle is perspective with the Circumcevian Triangle of the External Center of Similitude of Circumcircle and Incircle.

The Excentral Triangle is perspective with the Half-cevian Triangle of the Incenter.

The Excentral Triangle is perspective with the Half-Altitude Triangle.

The Excentral Triangle is perspective with the Half-cevian Triangle of the Spieker Center.

The Excentral Triangle is perspective with the Half-cevian Triangle of the Bevan Point.

The Excentral Triangle is perspective with the s-Reflection Triangle of the Bevan Point.

The Excentral Triangle is perspective with the Feuerbach Triangle.

The Excentral Triangle is perspective with the Extangents Triangle.

The Excentral Triangle is perspective with the Mixtilinear Triangle.

The Excentral Triangle is perspective with the Mid-Arc Triangle.

The Excentral Triangle is perspective with the Reflection Triangle.

The Excentral Triangle is perspective with the First Brocard Triangle.

The Excentral Triangle is perspective with the Third Brocard Triangle.

The Excentral Triangle is perspective with the BCI Triangle.

The Excentral Triangle is perspective with the Malfatti Triangle.

The Excentral Triangle is perspective with the Incentral Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Orthic Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Symmedial Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Intouch Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Extouch Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the First Brocard Cevian Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Second Brocard Cevian Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Medial Triangle of the Anticomplementary Triangle.

The Excentral Triangle is perspective with the Orthic Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is perspective with the Extouch Triangle of the Yff Central Triangle.

The Excentral Triangle is perspective with the Intouch Triangle of the Malfatti Triangle.

The Excentral Triangle is perspective with the Anticomplementary Triangle of the Medial Triangle.

The Excentral Triangle is perspective with the Excentral Triangle of the Orthic Triangle.

The Excentral Triangle is perspective with the Tangential Triangle of the Intouch Triangle.

The Excentral Triangle is perspective with the Excentral Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Tangential Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Excentral Triangle of the Yff Central Triangle.

The Excentral Triangle is perspective with the Circum-Incentral Triangle of the Intouch Triangle.

The Excentral Triangle is perspective with the Circum-Incentral Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Circum-Medial Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Circum-Orthic Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Circum-Orthic Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is perspective with the Circum-Orthic Triangle of the Euler Triangle.

The Excentral Triangle is perspective with the Reflection Triangle of the Incentral Triangle.

The Excentral Triangle is perspective with the Fuhrmann Triangle of the Intouch Triangle.

The Excentral Triangle is perspective with the Feuerbach Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Extangents Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Mixtilinear Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Mid-Arc Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Reflection Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Second Brocard Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Third Brocard Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Fourth Brocard Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Yff Central Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the BCI Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Malfatti Triangle of the Excentral Triangle.

The Excentral Triangle is perspective with the Euler Triangle of the Anticomplementary Triangle.

The Excentral Triangle is perspective with the Reflection Triangle of the Circum-Incentral Triangle.

The Excentral Triangle is perspective with the Extangents Triangle of the Yff Central Triangle.