Math Problem Statement
Soit ABCD un tetraedre et I,J,K,L,M,N les milieux respectifs des segments ayant pour distances AB , BC , CD , DA , AC , BD. Demontre que IJKL et MLNJ sont des losanges
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Tetrahedron
Quadrilaterals
Rhombus
Parallelism
Formulas
Midpoint formula
Properties of a rhombus (opposite sides equal, diagonals perpendicular)
Theorems
Midline theorem in a tetrahedron
Suitable Grade Level
Grades 10-12