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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:222AX2of4 GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 3√2, 6, 6√2, 12, 9√2, 18, 32, 32√2, 48, 62, 64, 48√2, 80, 62√2, 64√2, 110, 112, 80√2, 142.

Code: 1427 0 222 1103 142 112 807 142 222 806 142 142 185 142 124 62 148 118 94 151 115 123 160 112 622 222 62 63 148 112 32 151 115 326 0 80 645 32 48 644 96 48 1123 160 0 325 0 48 623 222 0 485 0 0 484 48 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)

142
110
80
80√2
18
6√2
9√2
12
62√2
6
3√2
32√2
64
64√2
112
32
62
48
48√2