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Geometry, Triangles, Orthic Axis, Theorems, Problems, College, High School
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Orthic Axis - Index
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Geometry Problem 1233
Triangle, Euler Line, Orthic Axis, Perpendicular, 90 Degrees, Orthic Triangle. |
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Geometry Problem 1232
Triangle, Altitudes, Orthic Triangle, Collinearity, Orthic Axis. |
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Nine-Point Center, Nine-Point Circle, Euler Line.
Interactive illustration.
Circumcenter, Centroid, Orthocenter
HTML5 Animation for iPad and Nexus
Adobe Flash Animation.
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Orthic Triangle Index. |
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