Question

anwer this question​

Answer 1

Given,

In PQR,

PQ= root7

QR= root2

To find PR,

According to the pythogoras theorem,

(PR)^2= (PQ)^2+(QR)^2

=> (PR)^2= (ROOT7)^2+(ROOT2)^2

=> (PR)^2= 7+2

=> (PR)^2=9

=> (PR)= root9

Answer 2

Answer:

The correct answer is√9.