| Puzzle: Plant ten trees in five rows with four trees in each
row.
So far: You drew four lines. Each line intersects every other line
in different places.
Step Five: (shown at right)
Your fifth line crosses all four previous lines, in four different places
Step Six: (click here)
Plant your ten trees at the ten places where lines intersect. (If you don't
have ten intersections, you may have missed crossing a line somewhere earlier
or crossed three lines at one place) |
 |