Question

if A-B-C and D(A,B)=3, d(A,C)=11,Then find d(B,C)​

Answer 1

Step-by-step explanation:

here B is between of A and C

d(AC)=d(AB)+d(BC)

11=3+d(BC)

11-3=d(BC)

11-3=8

Therefore d(BC)=8