Dan je pravilni tetraedar
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s bridom duljine
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. Točke
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i
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su redom polovišta dužina
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i
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. Kolika je udaljenost pravaca
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i
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?
A regular tetrahedron
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with edge length
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is given. The points
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and
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are the midpoints of the lengths
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and
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, respectively. What is the distance of the lines
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and
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?
[lang=hr]
Dan je pravilni tetraedar $ABCD$ s bridom duljine $1$. Točke $P$ i $Q$ su redom polovišta dužina $BD$ i $CD$. Kolika je udaljenost pravaca $AP$ i $BQ$?
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[lang=en]
A regular tetrahedron $ABCD$ with edge length $1$ is given. The points $P$ and $Q$ are the midpoints of the lengths $BD$ and $CD$, respectively. What is the distance of the lines $AP$ and $BQ$?
[/lang]