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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:152BK GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 5, 6, 6√2, 12, 18, 20, 15√2, 25, 18√2, 20√2, 30, 36, 40, 46, 61, 76, 61√2, 91, 76√2.

Code: 915 0 61 764 76 76 763 152 76 154 91 61 206 86 56 405 106 36 461 152 76 617 0 61 610 61 61 251 86 61 57 86 61 205 86 36 361 122 36 182 140 18 181 140 36 67 140 36 60 146 36 127 140 30 303 152 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)

91
76√2
76
15√2
20√2
40
46
61
61√2
25
5
20
36
18√2
18
6
6√2
12
30