Inscribed and Circumscribed Spheres of a Tetrahedron
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A tetrahedron is defined by the six edge lengths a, b, c, d, e, f. The inscribed and circumscribed spheres of the tetrahedron are constructed. The incenter is shown as a blue dot, and the circumcenter is a red dot. When do the centers of the inscribed a...
Contributed by: Izidor Hafner
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