Incircle of the Excentral Triangle = Incircle of the Intangents Triangle of the Excentral Triangle.

Incircle of the Excentral Triangle = Circumcircle of the Mid-Arc Triangle of the Excentral Triangle.

Circumcircle of the Excentral Triangle = Bevan Circle.

Nine-Point Circle of the Excentral Triangle = Circumcircle.

Nine-Point Circle of the Excentral Triangle = Nine-Point Circle of the Anticomplementary Triangle.

Nine-Point Circle of the Excentral Triangle = Circumcircle of the Euler Triangle of the Excentral Triangle.

Nine-Point Circle of the Excentral Triangle = Circumcircle of the Feuerbach Triangle of the Excentral Triangle.

Nine-Point Circle of the Excentral Triangle = Circumcircle of the Euler Triangle of the Anticomplementary Triangle.

Nine-Point Circle of the Excentral Triangle = Circumcircle of the Feuerbach Triangle of the Anticomplementary Triangle.

Brocard Circle of the Excentral Triangle = Circumcircle of the First Brocard Triangle of the Excentral Triangle.

Brocard Circle of the Excentral Triangle = Circumcircle of the Second Brocard Triangle of the Excentral Triangle.

Orthocentroidal Circle of the Excentral Triangle = Circumcircle of the Fourth Brocard Triangle of the Excentral Triangle.

The Incircle of the Excentral Triangle is concentric to the Bevan Circle of the Yff Central Triangle of the Excentral Triangle.

The Circumcircle of the Excentral Triangle is concentric to the Incircle of the Euler Triangle of the Anticomplementary Triangle.

The Nine-Point Circle of the Excentral Triangle is concentric to the Nine-Point Circle of the Fuhrmann Triangle of the Excentral Triangle.

The Nine-Point Circle of the Excentral Triangle is concentric to the Nine-Point Circle of the Fuhrmann Triangle of the Anticomplementary Triangle.

The Spieker Circle of the Excentral Triangle is concentric to the Radical Circle of the Excircles of the Excentral Triangle.

The Spieker Circle of the Excentral Triangle is concentric to the Bevan Circle of the Euler Triangle of the Excentral Triangle.

The Spieker Circle of the Excentral Triangle is concentric to the Incircle of the Extangents Triangle of the Circum-Incentral Triangle.

The Bevan Circle of the Excentral Triangle is concentric to the Incircle of the Extangents Triangle of the Excentral Triangle.

The Radical Circle of the Excircles of the Excentral Triangle is concentric to the Spieker Circle of the Excentral Triangle.

The Radical Circle of the Excircles of the Excentral Triangle is concentric to the Bevan Circle of the Euler Triangle of the Excentral Triangle.

The Radical Circle of the Excircles of the Excentral Triangle is concentric to the Incircle of the Extangents Triangle of the Circum-Incentral Triangle.

The Brocard Circle of the Excentral Triangle is concentric to the Lemoine Circle of the Excentral Triangle.

The Lemoine Circle of the Excentral Triangle is concentric to the Brocard Circle of the Excentral Triangle.

The Lemoine Circle of the Excentral Triangle is concentric to the Circumcircle of the First Brocard Triangle of the Excentral Triangle.

The Lemoine Circle of the Excentral Triangle is concentric to the Circumcircle of the Second Brocard Triangle of the Excentral Triangle.

The Incircle of the Excentral Triangle is congruent to the Bevan Circle of the Intangents Triangle of the Intouch Triangle.

The Incircle of the Excentral Triangle is congruent to the Bevan Circle of the Mid-Arc Triangle of the Circum-Incentral Triangle.

The Circumcircle of the Excentral Triangle is congruent to the Circumcircle of the Anticomplementary Triangle.

The Circumcircle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle of the Excentral Triangle.

The Circumcircle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the Excentral Triangle.

The Circumcircle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle of the Anticomplementary Triangle.

The Circumcircle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the Anticomplementary Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Medial Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Orthic Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle of the Circum-Incentral Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the Circum-Incentral Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle of the Circum-Medial Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the Circum-Medial Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle of the Circum-Orthic Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the Circum-Orthic Triangle.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle of the Circumcevian Triangle of the Skordev Point.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the Circumcevian Triangle of the Skordev Point.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle of the Circumcevian Triangle of the Dimovski Point.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the Circumcevian Triangle of the Dimovski Point.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Euler Triangle of the Circumcevian Triangle of the Stanilov Point.

The Nine-Point Circle of the Excentral Triangle is congruent to the Bevan Circle of the Feuerbach Triangle of the Circumcevian Triangle of the Stanilov Point.

The Spieker Circle of the Excentral Triangle is congruent to the Circumcircle of the Intangents Triangle of the Intouch Triangle.

The Spieker Circle of the Excentral Triangle is congruent to the Incircle of the Euler Triangle of the Excentral Triangle.

The Spieker Circle of the Excentral Triangle is congruent to the Spieker Circle of the Intangents Triangle of the Excentral Triangle.

The Spieker Circle of the Excentral Triangle is congruent to the Nine-Point Circle of the Mid-Arc Triangle of the Excentral Triangle.

The Spieker Circle of the Excentral Triangle is congruent to the Incircle of the Intangents Triangle of the Circum-Incentral Triangle.

The Spieker Circle of the Excentral Triangle is congruent to the Circumcircle of the Mid-Arc Triangle of the Circum-Incentral Triangle.

The Bevan Circle of the Excentral Triangle is congruent to the Bevan Circle of the Anticomplementary Triangle.

The Brocard Circle of the Excentral Triangle is congruent to the Bevan Circle of the First Brocard Triangle of the Circum-Incentral Triangle.

The Brocard Circle of the Excentral Triangle is congruent to the Bevan Circle of the Second Brocard Triangle of the Circum-Incentral Triangle.

The Orthocentroidal Circle of the Excentral Triangle is congruent to the Bevan Circle of the Fourth Brocard Triangle of the Circum-Incentral Triangle.