Using four matchsticks of equal length, we can enclose an area of one square matchstick. |
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Here is an area of 2 square matchsticks enclosed by 6 matchsticks:
Can you enclose an area of 4 square matchsticks using 12 matchsticks? |
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Try it yourself before looking at our solution.
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Matches can be dangerous and cause fire. You may use toothpicks or any other sticks of uniform length instead. If you do use matchsticks do so only with adult supervision. |
This puzzle and many more math challenges may be found in My Best Mathematical and Logic Puzzles by Martin Gardner.
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