9 Dots: Creative problem solving with creative thinking techniques

Just another creative problem solving executrices which can be answered by creative thinking techniques and creative approach.

The problem: Draw four straight lines through the nine dots without retracing and without lifting your pen from the paper.

The key to the solution is, of course, that the imaginary boundaries formed by the dots need not be observed. Once freed from this restriction, you will find the solution easy, as shown here.

Researchers at Stanford University have come up with an even more interesting solution to this puzzle. One subject realized that it wasn’t necessary to draw four lines through the centers of the dots; the problem can be solved with only three lines.

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