You have opened your dividers to the distance between two points. Which scale do you measure it against?

A: the latitude scale at the side, level with where you are working

B: the longitude scale along the bottom

Either scale: they read the same

Your three bearings do not quite meet and leave this small triangle, a "cocked hat". Where should you assume you are?

At the corner of the triangle nearest the rocks

In the exact centre of the triangle

At the corner furthest from the rocks

C: from the end of the tide to where your boat speed cuts the track

A: from the start to the destination

B: the line with three arrowheads

A new line from the end of B straight to the destination

Day Skipper Quiz

8 picture questions, each answer explained.