Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:136AW GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 1, 1√2, 2, 2√2, 9√2, 14, 15, 11√2, 13√2, 15√2, 22, 22√2, 44, 46, 57, 68, 79, 57√2, 68√2.

Code: 795 0 57 684 68 68 683 136 68 114 79 57 90 90 68 461 136 68 20 81 59 21 83 59 12 84 58 11 84 59 157 84 59 150 99 59 143 84 44 577 0 57 570 57 57 134 70 44 441 114 44 222 136 22 223 136 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)

79
68√2
68
11√2
9√2
46
2√2
2
1√2
1
15
15√2
14
57
57√2
13√2
44
22√2
22