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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:128AR GHM

Order: 19

Horizontal side: 128 Vertical side: 128

Elements: 1, 1√2, 6√2, 12, 13, 14, 11√2, 14√2, 22, 17√2, 28, 22√2, 36, 28√2, 50, 64, 50√2, 78, 64√2.

Code: 785 0 50 644 64 64 643 128 64 144 78 50 143 92 50 135 92 51 361 128 64 17 92 51 10 93 51 121 105 51 62 111 45 507 0 50 500 50 50 224 72 28 223 94 28 112 105 39 170 111 45 284 100 0 283 128 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)

78
64√2
64
14√2
14
13
36
1
1√2
12
6√2
50
50√2
22√2
22
11√2
17√2
28√2
28