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Demonstrations 341 - 360 of 565
A Concurrency Generated by the Angle Bisectors
The Gergonne Point
The Intersection of Circumcircles of Medial Triangles
Intersecting Circles and a Right Angle
The Line through the Incenter and Circumcenter
A Collinearity between the Nine-Point Center, the Foot of an Altitude, and a Midpoint
A Triangle Formed by the Centers of Three Nine-Point Circles
Area of a Hexagon Formed by the Vertices and Altitude Extensions of a Triangle
A Concurrency of Lines Joining Orthocenters
Two Triangles of Equal Area on Either Side of an Angle Bisector
The Distances to the Incenter and Excenters from the Circumcenter
Dissecting a Regular Triangle into Three Similar Tiles
Point in Triangle
The Triangle Formed by the Centers of the Miquel Circles
Projections of Midpoints onto Circumradii
The Sum of the Reciprocals of the Exradii
The Product of the Inradius and Three Exradii
The Distance from the Circumcenter to an Excenter
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