Inscribing Equilateral Triangle inside Square with a Coincident Vertex/Historical Note

Historical Note on Inscribing Equilateral Triangle inside Square with a Coincident Vertex

This problem was raised by Abu'l-Wafa Al-Buzjani, who gave $5$ different constructions.

Sources

• 1992: David Wells: Curious and Interesting Puzzles ... (previous) ... (next): Abul Wafa ($\text {940}$ – $\text {998}$): $38$