Question

In the adjacent triangle PQR, angle P :angle PRQ =1:2 and angle Q =60 degree find angle PRX

Answer 1

P = x°, R = 2x°, Q = 60°
in ∆PQR
x+2x+60=180
3x=180-60
3x=120
x=120/3=40

PRX=2×40=80