For a triangle ABC, D and E are two points on AB and AC such that AD = \(\frac{1}{6}\) AB, AE = \(\frac{1}{6} \) AC. If BC = 22 cm, then DE is ___________. (Consider up to two decimals)
1
1.33 cm
2
1.67 cm
3
3.67 cm
4
More than one of the above
5
None of the above