Kolika je udaljenost dva nasuprotna brida u pravilnome tetraedru sa stranicom duljine 2? (bridovi su nasuprotni ako nemaju zajednički vrh)
What is the distance between two opposite edges in a regular tetrahedron with side length 2? (edges are opposite if they do not have a common vertex)
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Kolika je udaljenost dva nasuprotna brida u pravilnome tetraedru sa stranicom duljine 2? (bridovi su nasuprotni ako nemaju zajednički vrh)
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What is the distance between two opposite edges in a regular tetrahedron with side length 2? (edges are opposite if they do not have a common vertex)
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