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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:228AX4of4 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 228 128 146 114 114 287 128 128 46 152 124 87 156 128 86 156 120 647 164 128 646 164 64 243 152 100 122 164 112 123 164 100 184 146 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
28
4√2
8
8√2
64
64√2
24
12√2
12
18√2
18
82
82√2
9√2
73√2