Question

If P-Q-R and d(P,Q) = 2, d(P,R) =10, then find d(Q,R)​

Answer 1

Answer:

8 is ans

Step-by-step explanation:

by the betweeness formulae:

d(P,R)=d(P,Q)+d(Q,R)

Therefore,

10=2+d(Q,R)

10-2=d(Q,R)

8=d(Q,R)