From Infogalactic: the planetary knowledge core
- Each cleaver is parallel to one of the angle bisectors of the triangle.
- The three cleavers concur at the center of the Spieker circle.
Notes and references
- Ross Honsberger, "Cleavers and Splitters." Chapter 1 in Episodes in Nineteenth and Twentieth Century Euclidean Geometry. Mathematical Association of America, pages 1–14, 1995.
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