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Mathematics-Online problems:
Problem of the week
Sepp Herberger (the famed coach of the German national soccer team in 1954) coined the sentence ``The ball is round''. Contrary to this statement, let us assume that a soccer ball is a polyhedron.
Determine the number
of the vertices by means of the Euler polyhedron formula.
Answer:
=
[
solution to the problem of the previous week
]