Henry Ernest Dudeney/Puzzles and Curious Problems/204 - The Donjon Keep Window
Jump to navigation
Jump to search
Puzzles and Curious Problems by Henry Ernest Dudeney: $204$
- The Donjon Keep Window
- In The Canterbury Puzzles Sir Hugh de Fortibus calls his chief builder, and, pointing to a window, says:
- See our Figure $A$.
- "I desire that another window be made higher up,
- whose four sides shall also be each one foot,
- but it shall be divided by bars into eight lights, whose sides shall be all equal."
- This the craftsman was unable to do, so Sir Hugh showed him our Figure $B$, which is quite correct.
- But he added, "I did not tell thee that the window must be square, as it is most certain it never could be."
- Now, an ingenious correspondent, Mr. George Plant, found a flaw in Sir Hugh's conditions.
- Something that was understood is not actually stated,
- and the window may, as the conditions stand, be perfectly square.
- How is it to be done?
Click here for solution
Sources
- 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Geometrical Problems: Various Geometrical Puzzles: $204$. -- The Donjon Keep Window
- 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Geometrical Problems: Triangle, Square & Other Polygon Puzzles: $270$. The Donjon Keep Window