Henry Ernest Dudeney/Puzzles and Curious Problems/186 - Triangle and Square

Puzzles and Curious Problems by Henry Ernest Dudeney: $186$

Triangle and Square

Can you cut each of two equilateral triangles into three pieces,

so that the six pieces will fit together and form a perfect square?

Sources

• 1932: Henry Ernest Dudeney: Puzzles and Curious Problems ... (previous) ... (next): Geometrical Problems: Dissection Puzzles: $186$. -- Triangle and Square
• 1968: Henry Ernest Dudeney: 536 Puzzles & Curious Problems ... (previous) ... (next): Geometrical Problems: Dissection Puzzles: $350$. Triangle and Square