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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:152BH GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 6√2, 9, 12, 10√2, 12√2, 20, 21, 15√2, 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 61 186 88 58 365 106 40 461 152 76 617 0 61 610 61 61 211 82 61 97 82 61 60 88 58 127 82 52 120 94 52 401 122 40 202 142 20 201 142 40 102 152 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
18√2
36
46
61
61√2
21
9
6√2
12
12√2
40
20√2
20
10√2
30