nine-point circle

名词 n.
中文释义

英文释义

名词 n.
  1. That circle which passes through the feet of the altitudes of a given triangle.

词形变化

nine-point circles plural nine points circle alternative

词源

So called because the circle passes through nine points of interest: the feet of the three altitudes, the centers of the three sides, and the midpoints of the segments which join the triangle's vertices with its orthocenter.
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