Question

In ∆PQR, ∠p=30° ,∠Q=90° , ∠R=60° . If PR=18, Find PQ= ?​

Answer 1

Answer:

9

PQ = 9

Triangle pqr is a right angled triangle

Answer 2

Answer:

PQ = 9√3

Step-by-step explanation:

Given,

In ∆PQR, ∠p=30°, ∠Q=90°, ∠R=60°, PR=18.

Find the value of PQ

W.K.T,

Sinθ = Opp/Hyp

Therefore Sin R = PQ/PR

                 Sin 60° = PQ/18

                     √3/2 = PQ/18

                      2PQ = 18√3

                        PQ = 9√3