Decagram Dissections
Author : Gavin Theobald
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{3}
Triangle
{4}
Square
{5}
Pentagon
{6}
Hexagon
{7}
Heptagon
{8}
Octagon
{9}
Enneagon
{10}
Decagon
{12}
Dodecagon
{5/2}
Pentagram
{6/2}
Hexagram
{8/2}
Octagram
{8/3}
Octagram
{12/2}
Dodecagram
{R
√2
}
Silver Rectangle
{R
ϕ
}
Golden Rectangle
{R
2
}
Domino
{R
×
}
Optimised Rectangle
{G}
Greek Cross
{L}
Latin Cross
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
10
10
9
6
11
10
14
13
13
12
17
14
14
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
15
13
12
16
14
14
1
17
Triangle — Decagram (10 pieces)
Square — Decagram (10 pieces)
Square — Decagram (9 pieces with 1 turned over)
Pentagon — Decagram (7 pieces)
Discovered by Greg Frederickson (1974).
Hexagon — Decagram (11 pieces)
Hexagon — Decagram (10 pieces with 2 turned over)
Heptagon — Decagram (14 pieces)
Heptagon — Decagram (13 pieces with 1 turned over)
Octagon — Decagram (13 pieces)
Octagon — Decagram (12 pieces with 1 turned over)
Enneagon — Decagram (17 pieces)
Decagon — Decagram (14 pieces)
Dodecagon — Decagram (14 pieces)
Pentagram — Decagram (15 pieces)
Hexagram — Decagram (13 pieces)
Hexagram — Decagram (12 pieces with 1 turned over)
Octagram {8/2} — Decagram (16 pieces)
Octagram {10/2} — Decagram (14 pieces with 1 turned over)
Octagram {8/3} — Decagram (14 pieces)
Decagram — Dodecagram {12/2} (17 pieces)
Silver Rectangle — Decagram (10 pieces)
Silver Rectangle — Decagram (9 pieces with 1 turned over)
Golden Rectangle — Decagram (10 pieces)
Domino — Decagram (10 pieces)
Optimised Rectangle — Decagram (8 pieces)
Greek Cross — Decagram (13 pieces)
Latin Cross — Decagram (13 pieces)
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