Question

choose the correct alternative if PQR and d (PQ) = 2 ,d (PR) = 10 ,then d (QR) =​

Answer 1

Answer:

Given , if p-q-r and d(P,Q)=2

d(P,R)=10

<------•P---------•Q----------------------------•R--->

d(P,Q)=2(P,R)=10

d(Q,R)=d(P,R)-D(P,Q)

=10-2

8