Basic Parameters of the Orthocenter
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The orthocenter of a triangle [1] is the intersection of its three altitudes.
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Contributed by: Minh Trinh Xuan (August 2022)
Open content licensed under CC BY-NC-SA
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A triangle center is said to be even when its barycentric coordinates can be expressed as a function of three variables , , that all occur with even exponents. If the center of a triangle has constant barycentric coordinates, it is called a neutral center (the centroid is the only neutral center). A triangle center is said to be odd if it is neither even nor neutral.
Standard barycentric coordinates of a point with respect to a reference triangle are normalized to have a sum of 1.
Reference
[1] Encyclopedia of Triangle Centers (ETC). https://faculty.evansville.edu/ck6/encyclopedia/etc.html.
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