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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:228AX1of4 GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 4√2, 8, 8√2, 12, 9√2, 12√2, 18, 14√2, 24, 18√2, 28, 64, 82, 64√2, 100, 73√2, 82√2, 146, 114√2.

Code: 1465 0 82 1144 114 114 1003 228 128 146 114 114 82 136 120 81 136 128 42 140 124 281 164 128 647 164 128 646 164 64 126 128 112 245 140 100 125 128 100 184 146 82 183 164 82 825 0 0 824 82 0 96 155 73 730 155 73

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)

146
114√2
100
14√2
8√2
8
4√2
28
64
64√2
12√2
24
12
18√2
18
82
82√2
9√2
73√2