1. CMB 2010 (vol 53 pp. 534)
|Acute Triangulation of a Triangle in a General Setting|
We prove that, in ordered plane geometries endowed with a very weak notion of orthogonality, one can always triangulate any triangle into seven acute triangles, and, in case the given triangle is not acute, into no fewer than seven.
Categories:51G05, 51F20, 51F05