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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:440AA GHM

Order: 19

Horizontal side: 440 Vertical side: 440

Elements: 16√2, 32, 36, 32√2, 48, 48√2, 74, 55√2, 96, 72√2, 74√2, 110, 146, 110√2, 112√2, 184, 165√2, 256, 220√2.

Code: 2565 0 184 2204 220 220 1656 275 275 550 275 275 361 256 220 742 330 146 741 330 220 1102 440 110 1845 0 0 1124 112 72 166 208 168 327 224 184 326 224 152 963 208 72 482 256 120 1463 330 0 483 256 72 1103 440 0 724 184 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)

256
220√2
165√2
55√2
36
74√2
74
110√2
184
112√2
16√2
32
32√2
96
48√2
146
48
110
72√2