Construct a Dihedral Angle of a Tetrahedron Given Its Plane Angles at a Vertex
Initializing live version

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
Given the tetrahedron , at the vertex
let
be the three plane angles
,
,
. This Demonstration constructs the dihedral angle at the edge
.
Contributed by: Izidor Hafner (March 2017)
Open content licensed under CC BY-NC-SA
Snapshots
Details
The problem was posed in [1, pp. 222].
Reference
[1] V. V. Prasolov and I. F. Sharygin, Problems in Stereometry (in Russian), Moscow: Nauka, 1989.
Permanent Citation