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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:246AU GHM

Order: 19

Horizontal side: 246 Vertical side: 246

Elements: 12, 14, 12√2, 19√2, 22√2, 38, 28√2, 44, 33√2, 38√2, 40√2, 57, 44√2, 66, 90, 123, 90√2, 156, 123√2.

Code: 1565 0 90 1234 123 123 1233 246 123 334 156 90 190 189 123 571 246 123 143 170 90 387 170 104 380 208 104 907 0 90 900 90 90 404 130 50 126 158 78 286 130 50 125 158 66 445 158 22 444 202 22 663 246 0 224 180 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)

156
123√2
123
33√2
19√2
57
14
38
38√2
90
90√2
40√2
12√2
28√2
12
44
44√2
66
22√2