Q14.
NOT TO
SCALE
In the diagram, \( O C \) and \( O A \) each make an angle of \( 70^{\circ} \) with the North line. \( A \hat{O} B=x^{\circ} \) and \( B \hat{O} C=y^{\circ} \).
(a) \( x: y=3: 7 \)
Find the value of \( x \).
(b) Find the bearing of \( C \) from \( O \).