Pentagram Dissections
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3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
17 |
18 |
19 |
20 |
7
| 7
| 9
| 9
| 11
| 10
| 14
| 6
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| 12
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5/2 |
6/2 |
7/2 |
7/3 |
8/2 |
8/3 |
9/2 |
9/3 |
9/4 |
10/2 |
10/3 |
10/4 |
12/2 |
12/3 |
12/4 |
12/5 |
1
| 10
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| 13
| 13
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| 15
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| 14
| 15
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Triangle — Pentagram (7 pieces)
Previously Harry Lindgren had
discovered a 9 piece solution.
This uses the TT2 method.
Square — Pentagram (7 pieces)
Philip Tilson was the first to
discover a 7 piece solution, but by a different method.
This is a TT2 dissection.
Pentagon — Pentagram (9 pieces)
Hexagon — Pentagram (9 pieces)
Heptagon — Pentagram (11 pieces)
Octagon — Pentagram (10 pieces)
Enneagram — Pentagram (14 pieces)
Decagon — Pentagram (6 pieces)
Discovered by Harry Lindgren.
Dodecagon — Pentagram (12 pieces)
Pentagram — Hexagram (10 pieces)
Pentagram — Octagram {8/2} (13 pieces)
Pentagram — Octagram {8/3} (13 pieces)
The two overlays show the strips before and after the modification of the octagram strip
that saves a piece.
Pentagram — Decagram {10/2} (15 pieces)
Pentagram — Dodecagram {12/2} (14 pieces)
Pentagram — Dodecagram {12/3} (15 pieces)
Silver Rectangle — Pentagram (7 pieces)
Golden Rectangle — Pentagram (7 pieces)
Domino — Pentagram (7 pieces)
Optimised Rectangle — Pentagram (5 pieces)
Greek Cross — Pentagram (10 pieces)
Latin Cross — Pentagram (10 pieces)