Question

If AM = 7, MB = 6, and CM = 8, find CD.

5.25
10.25
13.25

Answer 1

AM x MB = CM x DM

7 x 6 = 8 x DM

42 = 8DM

DM = 42 /8

DM = 5.25

CD = CM + DM

CD = 8 + 5.25 = 13.25