Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: ir 18:56AP6of7 GHM

Order: 18

Horizontal side: 56 Vertical side: 56

Elements: 1√2, 2, 6, 8, 6√2, 8√2, 12, 15, 16, 17, 18, 13√2, 15√2, 16√2, 24, 26, 32, 24√2.

Code: 327 0 56 263 32 30 242 56 32 241 56 56 166 40 16 66 0 24 125 6 18 134 19 17 156 17 15 65 0 18 187 0 18 10 18 18 173 17 0 27 17 17 86 32 8 165 40 0 155 17 0 85 32 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

32
26
24√2
24
16√2
6√2
12
13√2
15√2
6
18
1√2
17
2
8√2
16
15
8