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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:244AA GHM

Order: 19

Horizontal side: 244 Vertical side: 244

Elements: 9, 9√2, 18, 18√2, 19√2, 38, 42, 38√2, 40√2, 80, 57√2, 82, 84, 105, 80√2, 82√2, 84√2, 120, 124.

Code: 845 0 160 844 84 160 570 168 244 384 206 206 383 244 206 194 225 187 1243 244 82 90 111 187 91 120 187 1057 120 187 180 102 178 181 120 178 802 80 80 1201 120 160 427 120 82 820 162 82 821 244 82 803 80 0 402 120 40

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)

84
84√2
57√2
38√2
38
19√2
124
9√2
9
105
18√2
18
80√2
120
42
82√2
82
80
40√2