External Center of Similitude of Circumcircle and Incircle = Circumcenter of the s-Reflection Triangle of the Nagel Point.

External Center of Similitude of Circumcircle and Incircle = Harmonic Congugate of the Internal Center of Similitude of Circumcircle and Incircle with respect to the Circumcenter and Incenter.

External Center of Similitude of Circumcircle and Incircle = Isogonal Conjugate of the Nagel Point.

External Center of Similitude of Circumcircle and Incircle = Isogonal Conjugate of the Incenter of the Anticomplementary Triangle.

External Center of Similitude of Circumcircle and Incircle = Isogonal Conjugate of the Reflection of the Incenter in the Spieker Center.

External Center of Similitude of Circumcircle and Incircle = Isogonal Conjugate of the Reflection of the de Longchamps Point in the Bevan Point.

External Center of Similitude of Circumcircle and Incircle = Isogonal Conjugate of the Perspector of the Anticomplementary Triangle and Fuhrmann Triangle.

External Center of Similitude of Circumcircle and Incircle = Isogonal Conjugate of the Isotomic Conjugate of the Gergonne Point.

External Center of Similitude of Circumcircle and Incircle = Isogonal Conjugate of the Isotomic Conjugate of the Symmedian Point of the Intouch Triangle.

External Center of Similitude of Circumcircle and Incircle = Isogonal Conjugate of the Isotomic Conjugate of the Mittenpunkt of the Anticomplementary Triangle.

External Center of Similitude of Circumcircle and Incircle = Yiu Conjugate of the Gergonne Point and Symmedian Point.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Intouch Triangle and Circum-Incentral Triangle.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Circum-Incentral Triangle and Intouch Triangle.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Circum-Incentral Triangle and Pedal Triangle of the Incenter.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Circum-Incentral Triangle and Cyclocevian Triangle of the Gergonne Point.

External Center of Similitude of Circumcircle and Incircle = Perspector of Triangle ABC and Tangential Triangle of the Circum-Incentral Triangle.

External Center of Similitude of Circumcircle and Incircle = Perspector of Triangle ABC and Circum-Orthic Triangle of the Intouch Triangle.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Cevian Triangle of the External Center of Similitude of Circumcircle and Incircle and Anticevian Triangle of the External Center of Similitude of Circumcircle and Incircle.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Cevian Triangle of the External Center of Similitude of Circumcircle and Incircle and Circumcevian Triangle of the External Center of Similitude of Circumcircle and Incircle.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Cevian Triangle of the External Center of Similitude of Circumcircle and Incircle and Half-cevian Triangle of the External Center of Similitude of Circumcircle and Incircle.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Anticevian Triangle of the External Center of Similitude of Circumcircle and Incircle and Circumcevian Triangle of the External Center of Similitude of Circumcircle and Incircle.

External Center of Similitude of Circumcircle and Incircle = Perspector of the Anticevian Triangle of the External Center of Similitude of Circumcircle and Incircle and Half-cevian Triangle of the External Center of Similitude of Circumcircle and Incircle.

External Center of Similitude of Circumcircle and Incircle = External Center of Similitude of Circumcircle and Incircle of the Tangential Triangle of the Circum-Incentral Triangle.

External Center of Similitude of Circumcircle and Incircle = External Center of Similitude of Circumcircle and Incircle of the Circum-Orthic Triangle of the Intouch Triangle.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Incenter and Circumcenter.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Incenter and Bevan Point.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Incenter and Internal Center of Similitude of Circumcircle and Incircle.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Centroid and Second Feuerbach Point.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Circumcenter and Bevan Point.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Circumcenter and Internal Center of Similitude of Circumcircle and Incircle.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Orthocenter and Feuerbach Point.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Gergonne Point and Schiffler Point.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Bevan Point and Internal Center of Similitude of Circumcircle and Incircle.

The External Center of Similitude of Circumcircle and Incircle lies on the Line defined by the Yff Center of Conguence and Dimovski Point.