First Brocard Triangle = Isogonal Conjugate of the Third Brocard Triangle.

The First Brocard Triangle is congruent to the Isotomic Conjugate of the Fourth Brocard Triangle.

The First Brocard Triangle is similar to the Medial Triangle.

The First Brocard Triangle is similar to the Anticomplementary Triangle.

The First Brocard Triangle is similar to the Pedal Triangle of the Circumcenter.

The First Brocard Triangle is similar to the Antipedal Triangle of the Orthocenter.

The First Brocard Triangle is similar to the Circumcevian Triangle of the Circumcenter.

The First Brocard Triangle is similar to the Cyclocevian Triangle of the Orthocenter.

The First Brocard Triangle is similar to the Half-cevian Triangle of the Centroid.

The First Brocard Triangle is similar to the s-Reflection Triangle of the Circumcenter.

The First Brocard Triangle is similar to the Euler Triangle.

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

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

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

The First Brocard Triangle is similar to the Medial Triangle of the Anticomplementary Triangle.

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

The First Brocard Triangle is similar to the Medial Triangle of the Euler Triangle.

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

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

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

The First Brocard Triangle is similar to the Anticomplementary Triangle of the Medial Triangle.

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

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

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

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

The First Brocard Triangle is similar to the Anticomplementary Triangle of the Euler Triangle.

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

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

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

The First Brocard Triangle is similar to the Circum-Orthic Triangle of the Intouch Triangle.

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

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

The First Brocard Triangle is similar to the Circum-Orthic Triangle of the Fuhrmann Triangle.

The First Brocard Triangle is similar to the Circum-Orthic Triangle of the Yff Central Triangle.

The First Brocard Triangle is similar to the Half-Altitude Triangle of the Medial Triangle.

The First Brocard Triangle is similar to the Half-Altitude Triangle of the Anticomplementary Triangle.

The First Brocard Triangle is similar to the Half-Altitude Triangle of the Euler Triangle.

The First Brocard Triangle is similar to the Half-Altitude Triangle of the First Brocard Triangle.

The First Brocard Triangle is similar to the Euler Triangle of the Medial Triangle.

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

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

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

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

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

The First Brocard Triangle is similar to the Euler Triangle of the Anticomplementary Triangle.

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

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

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

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

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

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

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

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

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

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

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

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

The First Brocard Triangle is perspective with the Medial Triangle.

The First Brocard Triangle is perspective with the Anticomplementary Triangle.

The First Brocard Triangle is perspective with the Pedal Triangle of the Circumcenter.

The First Brocard Triangle is perspective with the Antipedal Triangle of the Orthocenter.

The First Brocard Triangle is perspective with the Cyclocevian Triangle of the Orthocenter.

The First Brocard Triangle is perspective with the Half-cevian Triangle of the Centroid.

The First Brocard Triangle is perspective with the s-Reflection Triangle of the Circumcenter.

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

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

The First Brocard Triangle is perspective with the Medial Triangle of the Anticomplementary Triangle.

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

The First Brocard Triangle is perspective with the Anticomplementary Triangle of the Medial Triangle.

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

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

The First Brocard Triangle is perspective with the Anticomplementary Triangle of the Euler Triangle.

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

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

The First Brocard Triangle is perspective with the Half-Altitude Triangle of the Medial Triangle.

The First Brocard Triangle is perspective with the Half-Altitude Triangle of the First Brocard Triangle.

The First Brocard Triangle is perspective with the Euler Triangle of the Medial Triangle.

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

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

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

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

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

The First Brocard Triangle is perspective with the Extangents Triangle of the Yff Central Triangle.

The First Brocard Triangle is perspective with the Cevian Triangle of the Third Brocard Point.

The First Brocard Triangle is perspective with the Excentral Triangle.

The First Brocard Triangle is perspective with the Tangential Triangle.

The First Brocard Triangle is perspective with the Anticevian Triangle of the Third Brocard Point.

The First Brocard Triangle is perspective with the Anticevian Triangle of the Tarry Point.

The First Brocard Triangle is perspective with the Antipedal Triangle of the Incenter.

The First Brocard Triangle is perspective with the Antipedal Triangle of the Circumcenter.

The First Brocard Triangle is perspective with the Antipedal Triangle of the Center of the Brocard circle.

The First Brocard Triangle is perspective with the Circum-Incentral Triangle.

The First Brocard Triangle is perspective with the Circumcevian Triangle of the Third Brocard Point.

The First Brocard Triangle is perspective with the Half-cevian Triangle of the de Longchamps Point.

The First Brocard Triangle is perspective with the Half-cevian Triangle of the Third Brocard Point.

The First Brocard Triangle is perspective with the Half-cevian Triangle of the Tarry Point.

The First Brocard Triangle is perspective with the Fuhrmann Triangle.

The First Brocard Triangle is perspective with the Second Brocard Triangle.

The First Brocard Triangle is perspective with the Third Brocard Triangle.

The First Brocard Triangle is perspective with the Orthic Triangle of the Medial Triangle.

The First Brocard Triangle is perspective with the Symmedial Triangle of the Medial Triangle.

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

The First Brocard Triangle is perspective with the Medial Triangle of the Tangential Triangle.

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

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

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

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

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

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

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

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

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

The First Brocard Triangle is perspective with the Tangential Triangle of the Second Brocard Triangle.

The First Brocard Triangle is perspective with the Circum-Orthic Triangle of the Medial Triangle.

The First Brocard Triangle is perspective with the Circum-Incentral Triangle of the First Brocard Triangle.

The First Brocard Triangle is perspective with the Circum-Medial Triangle of the First Brocard Triangle.

The First Brocard Triangle is perspective with the Circum-Orthic Triangle of the First Brocard Triangle.

The First Brocard Triangle is perspective with the Reflection Triangle of the Medial Triangle.

The First Brocard Triangle is perspective with the Second Brocard Triangle of the Medial Triangle.

The First Brocard Triangle is perspective with the Third Brocard Triangle of the Medial Triangle.

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

The First Brocard Triangle is perspective with the Second Brocard Triangle of the Anticomplementary Triangle.

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

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

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

The First Brocard Triangle is perspective with the Mid-Arc Triangle of the First Brocard Triangle.

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

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

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

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

The First Brocard Triangle is perspective with the Yff Central Triangle of the First Brocard Triangle.

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

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