1972 IMO Problems/Problem 6

Revision as of 13:01, 20 October 2013 by Elvis (talk | contribs) (Created page with "Given four distinct parallel planes, prove that there exists a regular tetrahedron with a vertex on each plane.")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Given four distinct parallel planes, prove that there exists a regular tetrahedron with a vertex on each plane.