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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:316AI GHM

Order: 19

Horizontal side: 316 Vertical side: 316

Elements: 12, 15√2, 30, 34, 42, 30√2, 34√2, 42√2, 62, 45√2, 48√2, 68, 62√2, 96, 110, 110√2, 158, 206, 158√2.

Code: 2065 0 110 1584 158 158 1583 316 158 484 206 110 456 209 113 622 316 96 621 316 158 150 209 113 1107 0 110 1100 110 110 424 152 68 423 194 68 127 194 110 307 194 98 300 224 98 963 316 0 681 220 68 342 254 34 341 254 68

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)

206
158√2
158
48√2
45√2
62√2
62
15√2
110
110√2
42√2
42
12
30
30√2
96
68
34√2
34