Question

If P-Q-R and d(P, Q) = 5 , d(P,R) = 20, then find d(Q,R).
(A) 5 (B) 10 (C) 15 (D) 25​

Answer 1

Answer:

Option

C) 15

Step-by-step explanation:

PQ + QR = PR

5 + QR = 20

QR = 20 - 5

QR = 15