Triangle — Decagon (7 pieces)
Square — Decagon (7 pieces)
Pentagon — Decagon (9 pieces)
Hexagon — Decagon (9 pieces)
Hexagon — Decagon (8 pieces with 3 turned over)
Heptagon — Decagon (11 pieces)
Octagon — Decagon (10 pieces)
Enneagon — Decagon (13 pieces)
Decagon — Dodecagon (12 pieces)
Decagon — Dodecagon (11 pieces with 2 turned over)
Decagon — Icosagon {20} (21 pieces)
Decagon — Pentagram (6 pieces)
Discovered by Harry Lindgren (1964).
Decagon — Hexagram (9 pieces)
Decagon — Octagram {8/2} (12 pieces)
The two overlay diagrams show the decagon strip before and after modification.
The first overlay diagram results in a 14 piece dissection:
the fourteenth piece is a tiny piece at the bottom left of the overlay parallelogram.
The modification results in a saving of two pieces.
Usually such a modification only saves a single piece.
Decagon — Octagram {8/3} (12 pieces)
Decagon — Decagram {10/2} (14 pieces)
Decagon — Decagram {10/3} (21 pieces)
Decagon — Dodecagram {12/2} (12 pieces)
Decagon — Silver Rectangle (7 pieces)
Decagon — Golden Rectangle (6 pieces)
Decagon — Domino (7 pieces)
Decagon — Optimised Rectangle (4 pieces)
Decagon — Greek Cross (10 pieces)
Decagon — Latin Cross (10 pieces)