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Mathematics
Problem
In a regular tetrahedron, if the distance between the mid-points of opposite edges is unity, its volume is a.
1
3
\frac{1}{3}
3
1
b.
1
2
\frac{1}{2}
2
1
c.
1
2
\frac{1}{\sqrt{2}}
2
1
d.
1
6
2
\frac{1}{6\sqrt{2}}
6
2
1
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