# Circles through the Orthocenter

Circles through the Orthocenter

The three circles through two vertices of a triangle and its orthocenter (the intersection of the triangle's altitudes) have the same radius as the circumcircle.

WOLFRAM|DEMONSTRATIONS PROJECT

Circles through the Orthocenter

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The three circles through two vertices of a triangle and its orthocenter (the intersection of the triangle's altitudes) have the same radius as the circumcircle.