Dissection of square to two different polygons
Square — Triangle + Square (6 pieces)
The dissection is hingeable.
Square — Triangle + Pentagon (8 pieces)
Square — Triangle + Hexagon (8 pieces)
Discovered by Ernest Irving Freese.
Square — Triangle + Heptagon (10 pieces)
Square — Triangle + Octagon (9 pieces)
Square — Triangle + Decagon (10 pieces)
Square — Triangle + Dodecagon (8 pieces)
Discovered by Ernest Irving Freese.
Square — Triangle + Pentagram (10 pieces)
Square — Triangle + Hexagram (9 pieces)
Square — Triangle + Octagram {8/3} (9 pieces)
Square — Square + Pentagon (7 pieces)
Square — Square + Hexagon (7 pieces)
Square — Square + Heptagon (9 pieces)
Square — Square + Octagon (8 pieces)
Square — Square + Decagon (9 pieces)
Square — Square + Dodecagon (7 pieces)
Square — Square + Pentagram (10 pieces)
Square — Square + Hexagram (8 pieces)
Square — Square + Octagram {8/3} (8 pieces)
Square — Pentagon + Hexagon (9 pieces)
Square — Pentagon + Heptagon (12 pieces)
Square — Pentagon + Octagon (11 pieces)
Square — Pentagon + Decagon (11 pieces)
Square — Pentagon + Dodecagon (9 pieces)
Square — Pentagon + Pentagram (12 pieces)
Square — Pentagon + Hexagram (10 pieces)
Square — Pentagon + Octagram {8/3} (11 pieces)
Square — Hexagon + Heptagon (11 pieces)
Square — Hexagon + Octagon (10 pieces)
Square — Hexagon + Decagon (11 pieces)
Square — Hexagon + Dodecagon (9 pieces)
Discovered by Ernest Irving Freese.
Square — Hexagon + Pentagram (11 pieces)
Square — Hexagon + Hexagram (10 pieces)
Square — Hexagon + Octagram {8/3} (10 pieces)
Square — Heptagon + Octagon (13 pieces)
Square — Heptagon + Decagon (13 pieces)
Square — Heptagon + Dodecagon (11 pieces)
Square — Heptagon + Pentagram (14 pieces)
Square — Heptagon + Hexagram (12 pieces)
Square — Heptagon + Octagram {8/3} (13 pieces)
Square — Octagon + Decagon (12 pieces)
Square — Octagon + Dodecagon (10 pieces)
Square — Octagon + Pentagram (12 pieces)
Square — Octagon + Hexagram (11 pieces)
Square — Octagon + Octagram {8/3} (12 pieces)
Square — Decagon + Dodecagon (11 pieces)
Square — Decagon + Pentagram (14 pieces)
Square — Decagon + Hexagram (12 pieces)
Square — Decagon + Octagram {8/3} (13 pieces)
Square — Dodecagon + Pentagram (11 pieces)
Square — Dodecagon + Hexagram (10 pieces)
Square — Dodecagon + Octagram {8/3} (10 pieces)
Square — Pentagram + Hexagram (12 pieces)
Square — Pentagram + Octagram {8/3} (13 pieces)
Square — Hexagram + Octagram {8/3} (11 pieces)