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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:178BA GHM

Order: 19

Horizontal side: 178 Vertical side: 178

Elements: 8, 7√2, 8√2, 14, 11√2, 16, 12√2, 14√2, 22, 24, 28, 24√2, 64, 50√2, 78, 57√2, 64√2, 114, 89√2.

Code: 1145 0 64 894 89 89 783 178 100 116 89 89 227 100 100 80 122 100 81 130 100 245 130 76 244 154 76 506 128 50 146 100 78 285 114 64 161 130 92 124 142 64 645 0 0 644 64 0 76 121 57 147 128 64 570 121 57

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)

114
89√2
78
11√2
22
8√2
8
24
24√2
50√2
14√2
28
16
12√2
64
64√2
7√2
14
57√2