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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:214AI GHM

Order: 19

Horizontal side: 214 Vertical side: 214

Elements: 1, 1√2, 6, 5√2, 8, 6√2, 9, 8√2, 17√2, 34, 34√2, 56, 68, 73, 90, 107, 124, 90√2, 107√2.

Code: 1245 0 90 1074 107 107 1073 214 107 174 124 90 93 141 98 52 146 102 731 214 107 66 140 96 685 146 34 80 132 98 81 140 98 12 141 97 11 141 98 65 140 90 907 0 90 900 90 90 561 146 90 344 180 0 343 214 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)

124
107√2
107
17√2
9
5√2
73
6√2
68
8√2
8
1√2
1
6
90
90√2
56
34√2
34