Henry Ernest Dudeney/Puzzles and Curious Problems/220 - The Five Fences/Solution

Puzzles and Curious Problems by Henry Ernest Dudeney: $220$

The Five Fences

A man owned a large, fenced-in field in which were $16$ oak trees, as depicted in the diagram.

He wished to put up five straight fences so that every tree should be in a separate enclosure.

How did he do it?

Solution

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Solutions: $220$. -- The Five Fences
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Answers: $298$. The Five Fences