Mathematics 4024 · O Level · Angles

Angles — practice question

Within the diagram, both $OC$ and $OA$ make angles of $70^{\circ}$ with the North line. $\angle AOB = x^{\circ}$ and $\angle BOC = y^{\circ}$.
(a)[2]

$x:y = 3:7$. Work out the value of $x$.

(b)[1]

State the bearing of $C$ from $O$.

(c)[1]

State the bearing of $O$ from $A$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: Applies $\frac{360 - 140}{10}$.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI