- 4. In the diagram below of ABC, BC is extended to D. If m<A = -10x, m<B = x- 7, m<ACD = x +68, what is the value of x?
a) 2
b) 3
c) 10
d) 15​

4 In the diagram below of ABC BC is extended to D If mltA 10x mltB x 7 mltACD x 68 what is the value of xa 2b 3c 10d 15 class=