Hendecagon Dissections
Author : Gavin Theobald
{3}
Triangle
{4}
Square
{5}
Pentagon
{6}
Hexagon
{7}
Heptagon
{8}
Octagon
{22}
Icosidigon
{6/2}
Hexagram
{11/2}
Hendecagram
{11/3}
Hendecagram
{11/4} 
Hendecagram
{R
×
}
Optimised Rectangle
{L}
Latin Cross
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
11
10
12
12
11
15
16
15
1
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
Triangle — Hendecagon (11 pieces)
Square — Hendecagon (10 pieces)
Pentagon — Hendecagon (12 pieces)
Hexagon — Hendecagon (12 pieces)
Hexagon — Hendecagon (11 pieces with 1 turned over)
Heptagon — Hendecagon (15 pieces)
Octagon — Hendecagon (16 pieces)
Octagon — Hendecagon (15 pieces with 1 turned over)
Hendecagon — Icosidigon {22} (23 pieces)
Hendecagon — Hexagram (15 pieces)
Hendecagon — Hendecagram {11/2} (23 pieces)
Hendecagon — Hendecagram {11/3} (23 pieces)
Hendecagon — Hendecagram {11/4} (23 pieces with 11 turned over)
Discovered by Greg Frederickson (2002).
Hendecagon — Optimised Rectangle (9 pieces)
Hendecagon — Latin Cross (13 pieces)