Repeat 57.13 with a regular tetrahedron in place of a cube. (The group is describedin
Chapter 57, Problem 57.14(choose chapter or problem)
Repeat 57.13 with a regular tetrahedron in place of a cube. (The group is describedin 57.12.)
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer