In right triangle ABC with right angle at C, M is the mid-point of hypotenuse AB. C is joined to M and produced to a point D, such that DM = CM. Point D is joined to B. If CD = 10 cm, and BD = 6 cm, find the value of CM.
1
9.5 cm
2
5 cm
3
11.4 cm
4
More than one of the above
5
None of the above