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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142BX2of2 GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 3√2, 6, 6√2, 12, 15√2, 23, 25, 18√2, 27, 21√2, 30, 23√2, 25√2, 46, 48, 48√2, 71, 94, 71√2.

Code: 945 0 48 714 71 71 713 142 71 234 94 48 233 117 48 252 142 46 251 142 71 487 0 48 480 48 48 301 78 48 152 93 33 121 90 48 62 96 42 271 117 48 463 142 0 63 96 36 212 117 21 34 93 33 186 78 18

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)

94
71√2
71
23√2
23
25√2
25
48
48√2
30
15√2
12
6√2
27
46
6
21√2
3√2
18√2