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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:228AS GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 10, 10√2, 20, 20√2, 21√2, 22√2, 24√2, 42, 44, 48, 42√2, 44√2, 74, 90, 66√2, 96, 69√2, 138, 114√2.

Code: 1385 0 90 1144 114 114 666 162 162 483 162 114 442 206 118 443 206 74 222 228 96 244 138 90 206 142 94 963 228 0 106 132 84 205 142 74 905 0 0 694 69 21 426 90 42 105 132 74 747 132 74 216 69 21 425 90 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)

138
114√2
66√2
48
44√2
44
22√2
24√2
20√2
96
10√2
20
90
69√2
42√2
10
74
21√2
42