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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:304AG GHM

Order: 19

Horizontal side: 304 Vertical side: 304

Elements: 10√2, 20, 15√2, 28, 20√2, 30, 25√2, 28√2, 42, 56, 42√2, 56√2, 82, 96, 124, 152, 124√2, 180, 152√2.

Code: 1805 0 124 1524 152 152 1523 304 152 284 180 124 283 208 124 252 233 127 961 304 152 150 233 127 1247 0 124 1240 124 124 424 166 82 423 208 82 100 218 112 301 248 112 562 304 56 207 208 102 200 228 102 821 248 82 563 304 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)

180
152√2
152
28√2
28
25√2
96
15√2
124
124√2
42√2
42
10√2
30
56√2
20
20√2
82
56