Thursday, March 19, 2009
March 19, 2009
Let
S
be the set of all points with coordinates
(x, y, z),
where
x, y,
and
z
are each chosen from the set {0, 1, 2}. How many equilateral triangles have all their vertices in
S
?
Interactive version of problem and solution.
Buy
Martin Gardner's Mathematical Games
Newer Post
Older Post
Home