What you need: ruler, protractor, pencil and paper ... In this case use the lengths 8 cm, 4 cm and 5 cm. Set the compass width to 5 cm. Place the compass at the other end of the line and draw ...

There are four main directions on a compass; north, south ... Place the centre of the protractor on the ship and 180° facing North. Measure the angle clockwise from 0° to the line between ...