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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:136AA1of2 GHM

Order: 18

Horizontal side: 136 Vertical side: 136

Elements: 8, 8√2, 12, 16, 12√2, 16√2, 17√2, 22√2, 23√2, 24√2, 34, 46, 34√2, 56, 45√2, 68, 51√2, 68√2.

Code: 682 68 68 514 51 85 340 102 136 341 136 136 176 51 85 687 68 102 563 136 46 236 45 45 126 68 34 87 80 46 80 88 46 244 112 22 463 136 0 450 45 45 167 80 38 160 96 38 125 68 22 224 90 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)

68√2
51√2
34√2
34
17√2
68
56
23√2
12√2
8
8√2
24√2
46
45√2
16
16√2
12
22√2