Archive for January, 2016
Flowers in the stone
Saturday, January 30th, 2016The Davenport-Helly’s Theorem
Saturday, January 30th, 2016A1,A2,A3,A4,A5 five points in three space. For every point O, one at least angle from AiOAj is non obtuse.
A1,A2,A3,A4,A5 five points in three space. For every point O, one at least angle from AiOAj is non obtuse.