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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:90AK GHM

Order: 19

Horizontal side: 90 Vertical side: 90

Elements: 2, 2√2, 3, 4, 14, 15, 16, 18, 14√2, 15√2, 24, 27, 28, 30, 24√2, 30√2, 45, 48, 45√2.

Code: 485 0 42 454 45 45 453 90 45 31 48 45 277 48 45 150 75 45 151 90 45 285 0 14 244 24 18 243 48 18 300 60 30 301 90 30 41 28 18 22 30 16 21 30 18 187 30 18 163 30 0 145 0 0 144 14 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)

48
45√2
45
3
27
15√2
15
28
24√2
24
30√2
30
4
2√2
2
18
16
14
14√2