Henry Ernest Dudeney/Puzzles and Curious Problems/189 - Problem of the Extra Cell/Solution

by : $189$

 * Problem of the Extra Cell

Solution

 * Dudeney-Puzzles-and-Curious-Problems-189-solution.png

Also see

 * Sam Loyd's Missing Square


 * Puzzles and Curious Problems: $185$ - The Dissected Chessboard, where the question is raised again from a different angle.