EquidissectionW
Equidissection
Geometric magic squareW
Geometric magic square
Hinged dissectionW
Hinged dissection
Hooper's paradoxW
Hooper's paradox
Missing square puzzleW
Missing square puzzle
OstomachionW
Ostomachion
Square trisectionW
Square trisection
T puzzleW
T puzzle
TangramW
Tangram
Wallace–Bolyai–Gerwien theoremW
Wallace–Bolyai–Gerwien theorem