excenter of triangle

excenter of triangle: Математика: центр вневписанной окружности треугольника

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Trilinear coordinates — In geometry, the trilinear coordinates of a point relative to a given triangle describe the relative distances from the three sides of the triangle. Trilinear coordinates are an example of homogeneous coordinates. They are often called simply… … Wikipedia
excircle — noun An escribed circle of a triangle; it lies outside the triangle and is tangent to one of its sides and to the extensions of the other two. See Also: excentre, excenter, incircle … Wiktionary

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