Level:
Project ID:
9000121009
Accepted:
1
Clonable:
0
Easy:
0
In the cube \(ABCDEFGH\) find the
angle between the lines \(S_{HD}S_{FC}\)
and \(AB\), where
the points \(S_{HD}\)
and \(S_{FC}\) are
centers of \(HD\)
and \(FC\),
respectively.
\(26.57^{\circ }\)
\(45^{\circ }\)
\(54.74^{\circ }\)
\(60^{\circ }\)