Question

. If P-Q-R and d(PQ) = 4.2, d(QR) = 3.2 then find d(PR)​

Answer 1

Step-by-step explanation:

P-Q-R

d(PQ) = 4.2 ,d(QR) = 3.2

d(PR) =?

d(PR) = d(PQ) + d(QR)

d(PR) = 4.2+3.2

d(PR) = 7.4