Mock Set 1 Paper 02 Calculator

\begin{aligned} &\text{Bearings are measured clockwise from north.} \\ &\text{If the bearing from X to Y is } 245^{\circ}, \\ &\text{then the bearing from Y to X is } 245^{\circ} + 180^{\circ} = 425^{\circ}. \\ &\text{Since this is greater than } 360^{\circ}, \text{subtract } 360^{\circ} \; \Rightarrow 065^{\circ}. \end{aligned}