Requirements of the edges of a tetrahedron
119417
Tetrahedron inequality
18117
Maximum number of edges in a simple graph?
32812
Can a tetrahedron lying completely inside another tetrahedron have a larger sum of edge lengths?
101190
Extreme Points of a Convex Hull
97177
Symmetry group of Tetrahedron
49879
A bipartite graph with a perfect matching has a vertex with each edge contained in a perfect matching
25382
Maximum number of edges in a bipartite graph
6429
prove that a connected graph with $n$ vertices has at least $n-1$ edges
74598
Help evaluating triple integral over tetrahedron
20310
Geometric motivation for negative self-intersection
68285
Generating convex polyhedron from face planes?
120285
Angle between lines joining tetrahedron center to vertices
71990
Prove there always exists a partition such that vertices in each part have even degree
116153
The Notorious Triangle Problem
24477
Monochromatic squares in a colored plane
89501
Equidecomposability of a Cube into 6 Trirectangular Tetrahedra
30710
Unintended edge extensions in 3D Cube rendering