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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142BL1of2 GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 5, 5√2, 7√2, 10, 9√2, 14, 15, 15√2, 16√2, 30, 32, 25√2, 39, 32√2, 55, 71, 55√2, 87, 71√2.

Code: 875 0 55 714 71 71 713 142 71 164 87 55 70 103 71 391 142 71 90 96 64 141 110 64 322 142 32 557 0 55 550 55 55 254 80 30 103 105 45 52 110 50 53 110 45 150 95 45 151 110 45 323 142 0 301 110 30

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)

87
71√2
71
16√2
7√2
39
9√2
14
32√2
55
55√2
25√2
10
5√2
5
15√2
15
32
30