Henry Ernest Dudeney/Puzzles and Curious Problems/211 - The Twenty Matches
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Puzzles and Curious Problems by Henry Ernest Dudeney: $211$
- The Twenty Matches
- The diagram shows how $20$ matches, divided into two groups of $14$ and $6$,
- may form two enclosures so that one space enclosed is exactly $3$ times as large as the other.
- Now divide the $20$ matches into two groups of $13$ and $7$,
- and with them again make two enclosures,
- one exactly three times as large as the other.
Click here for solution
Also see
- $335$ - Three Times the Size, in the same collection
Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Geometrical Problems: Various Geometrical Puzzles: $211$. -- The Twenty Matches
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Match Puzzles: $496$. The Twenty Matches