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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:178AV4of4 GHM

Order: 19

Horizontal side: 178 Vertical side: 178

Elements: 2√2, 5√2, 10, 10√2, 11√2, 13√2, 20, 15√2, 22, 26, 30, 26√2, 52, 63, 76, 89, 102, 76√2, 89√2.

Code: 1025 0 76 894 89 89 893 178 89 134 102 76 110 115 89 631 178 89 20 104 78 221 126 78 525 126 26 767 0 76 760 76 76 301 106 76 205 106 56 105 106 46 104 116 46 156 111 41 54 111 41 264 152 0 263 178 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)

102
89√2
89
13√2
11√2
63
2√2
22
52
76
76√2
30
20
10
10√2
15√2
5√2
26√2
26