Dan je pravilni tetraedar
s bridom duljine
. Točke
i
su redom polovišta dužina
i
. Kolika je udaljenost pravaca
i
?
A regular tetrahedron
with edge length
is given. The points
and
are the midpoints of the lengths
and
, respectively. What is the distance of the lines
and
?
[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]