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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218BL GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 2, 10√2, 20, 15√2, 20√2, 30, 35, 25√2, 38, 34√2, 35√2, 37√2, 38√2, 72, 74, 72√2, 109, 146, 109√2.

Code: 1465 0 72 1094 109 109 1093 218 109 374 146 72 350 183 109 351 218 109 23 148 72 202 168 54 201 168 74 102 178 64 254 193 49 743 218 0 727 0 72 720 72 72 384 110 34 383 148 34 303 178 34 152 193 49 344 144 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)

146
109√2
109
37√2
35√2
35
2
20√2
20
10√2
25√2
74
72
72√2
38√2
38
30
15√2
34√2