Question

If A - B - C, and d(A,C)=19, d(B,C)=7.5,then d(A,B)=?


Please tell this urgently ​

Answer 1

Answer:

We have, d(A,C)=17;d(B,C)=6.5

Now, d(A,C)=d(A,B)+d(B,C)

So, d(A,B)=d(A,C)−d(B,C)=17−6.5

∴ d(A,B)=10.5