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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:90AZ GHM

Order: 19

Horizontal side: 90 Vertical side: 90

Elements: 2√2, 4, 4√2, 6, 5√2, 8, 7√2, 14, 12√2, 16√2, 24, 19√2, 28, 30, 32, 38, 30√2, 60, 45√2.

Code: 605 0 30 454 45 45 383 90 52 76 45 45 145 52 38 194 71 33 243 90 28 81 60 38 42 64 34 61 66 38 52 71 33 20 64 34 323 62 0 162 78 16 41 66 32 305 0 0 304 30 0 124 78 16 283 90 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)

60
45√2
38
7√2
14
19√2
24
8
4√2
6
5√2
2√2
32
16√2
4
30
30√2
12√2
28