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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:90AD GHM

Order: 19

Horizontal side: 90 Vertical side: 90

Elements: 4√2, 7√2, 8√2, 12, 14, 16, 14√2, 16√2, 24, 26, 28, 20√2, 32, 24√2, 26√2, 38, 28√2, 33√2, 38√2.

Code: 385 0 52 384 38 52 140 76 90 141 90 90 280 62 76 281 90 76 262 26 26 261 26 52 127 26 52 86 26 40 167 34 48 160 50 48 204 70 28 246 66 24 72 33 33 330 33 33 321 66 32 42 70 28 245 66 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)

38
38√2
14√2
14
28√2
28
26√2
26
12
8√2
16
16√2
20√2
24√2
7√2
33√2
32
4√2
24