102 Geometrical Problems
instructions in his will that each of his eight sons should receive the same
amount of ground and the same number of trees. How was the land to
be divided in the simplest possible manner?- AVOIDING THE MINES
Here we have a portion of the North Sea thickly sown with mines by the
enemy. A cruiser made a safe passage through them from south to north in
two straight courses, without striking a single mine. Take your pencil and try
to discover how it is done. Go from the bottom of the chart to any point you
like on the chart in a straight line, and then from that point to the top in an-
other straight line without touching a mine.