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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:176AG1of4 GHM

Order: 19

Horizontal side: 176 Vertical side: 176

Elements: 1√2, 2, 2√2, 4, 3√2, 4√2, 5√2, 9√2, 14√2, 28, 28√2, 46, 56, 60, 74, 88, 102, 74√2, 88√2.

Code: 1025 0 74 884 88 88 883 176 88 144 102 74 56 111 83 32 119 85 601 176 88 10 119 85 20 118 84 21 120 84 565 120 28 90 111 83 47 116 82 46 116 78 747 0 74 740 74 74 461 120 74 284 148 0 283 176 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)

102
88√2
88
14√2
5√2
3√2
60
1√2
2√2
2
56
9√2
4
4√2
74
74√2
46
28√2
28