Henry Ernest Dudeney/Puzzles and Curious Problems/339 - Equilateral Triangles
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Puzzles and Curious Problems by Henry Ernest Dudeney: $339$
- Equilateral Triangles
- Place $16$ matches, as shown, to form $8$ equilateral triangles.
- Now take away $4$ matches so as to leave $4$ equal triangles.
- No superfluous matches or loose ends to be left.
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Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Unclassified Problems: $339$. -- Equilateral Triangles
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Match Puzzles: $506$. Equilateral Triangles