Solution #96: Pond Problem

Hey lays the planks as shown in this diagram: 
+-------------+
|             |
|             |
|    +---+    |
|    |   |    |
|\  /+---+    |
| \/          |
|  \          |
+-------------+
Source: Sloane, Paul and Des MacHale
Categories: Clever, Geometry and Space
[Top | Problem]