44 Prove or disprove the following statement: There exist two tetrahedra and satisfying the following conditions:
(1) The volume of is greater than the volume of .
(2) Each face area of does not exceed any face area of .
Solution
44 There exists a tetrahedron that satisfies the problem. Construct it as follows: is a regular tetrahedron with edge length , and the area of each of its faces is .
Take a regular triangle with an area greater than 3, and draw a perpendicular line through its center . Take any point on this perpendicular line, then
However, when is sufficiently close to , the volume of this tetrahedron can be arbitrarily close to zero.
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