Question

North
North
140°
NOT TO
SCALE
North
50m
100m
The diagram shows three points P, Q and R on horizontal ground.
PQ = 50 m, PR = 100 m and angle PQR = 140°.
(a) Calculate angle PRQ.
(b) The bearing of R from Q is 100%
Find the bearing of P from R.​

Answer 1

Answer:

not answering

Step-by-step explanation:

yes not ideas

Answer 2

Answer:

18.74

Step-by-step explanation:

sine rule, sin (140)/100 = sin (x)/ 50

= 32.140 = sin (x) x 100

= 32.140/100 = 0.3214

sin (x) = 0.3214

x = sin-1 (0.3214)

PQR = 18.74