The bearing of a lighthouse $L$ from a harbour $H$ is $068^\circ$. Find the bearing of $H$ f

Question

The bearing of a lighthouse $L$ from a harbour $H$ is $068^\circ$. Find the bearing of $H$ from $L$.[1] A boat at $L$ turns clockwise from north to face $H$. A pupil says the turn is $112^\circ$. Explain the error.[2]

Accepted Answer

(a) $248^\circ$ (b) $112^\circ$ measures the anticlockwise turn; the clockwise turn is $248^\circ$.

Reverse bearings

Reverse bearings

Solution:

Solution locked