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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144AS GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 1, 4√2, 8, 6√2, 8√2, 12, 11√2, 16, 22, 16√2, 23, 22√2, 44, 50, 61, 72, 83, 61√2, 72√2.

Code: 835 0 61 724 72 72 723 144 72 114 83 61 60 94 72 501 144 72 40 88 66 121 100 66 445 100 22 13 84 61 87 84 62 80 92 62 617 0 61 610 61 61 231 84 61 167 84 54 166 84 38 224 122 0 223 144 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)

83
72√2
72
11√2
6√2
50
4√2
12
44
1
8
8√2
61
61√2
23
16
16√2
22√2
22