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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:244AG GHM

Order: 19

Horizontal side: 244 Vertical side: 244

Elements: 9, 9√2, 18, 18√2, 19√2, 21√2, 38, 42, 38√2, 40√2, 80, 57√2, 84, 105, 80√2, 82√2, 84√2, 120, 103√2.

Code: 1032 103 141 824 82 162 406 124 204 807 164 244 806 164 164 423 124 162 1205 124 84 214 103 141 1053 124 57 185 124 66 184 142 66 840 160 84 841 244 84 95 124 57 94 133 57 190 19 57 574 76 0 387 0 38 380 38 38

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)

103√2
82√2
40√2
80
80√2
42
120
21√2
105
18
18√2
84√2
84
9
9√2
19√2
57√2
38
38√2