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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:230BB GHM

Order: 19

Horizontal side: 230 Vertical side: 230

Elements: 9√2, 11√2, 20, 19√2, 20√2, 34, 38, 28√2, 40, 30√2, 47, 34√2, 68, 51√2, 81, 81√2, 115, 149, 115√2.

Code: 1495 0 81 1154 115 115 1153 230 115 344 149 81 343 183 81 282 211 87 471 230 115 190 211 87 817 0 81 810 81 81 514 132 30 116 172 70 403 172 30 202 192 50 96 183 59 387 192 68 683 230 0 203 192 30 304 162 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)

149
115√2
115
34√2
34
28√2
47
19√2
81
81√2
51√2
11√2
40
20√2
9√2
38
68
20
30√2