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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:259AA GHM

Order: 19

Horizontal side: 259 Vertical side: 259

Elements: 8√2, 40, 30√2, 40√2, 60, 65, 74, 80, 81, 60√2, 88, 89, 90, 65√2, 104, 74√2, 105, 81√2, 89√2.

Code: 1047 0 259 740 104 259 741 178 259 812 259 178 811 259 259 306 0 155 607 30 185 606 30 125 805 90 105 881 178 185 896 170 89 905 0 65 405 90 65 404 130 65 1053 170 0 82 178 97 895 170 0 655 0 0 654 65 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)

104
74√2
74
81√2
81
30√2
60
60√2
80
88
89√2
90
40
40√2
105
8√2
89
65
65√2