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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:88AM2of4 GHM

Order: 19

Horizontal side: 88 Vertical side: 88

Elements: 3√2, 6, 8, 6√2, 8√2, 12, 16, 18, 20, 15√2, 24, 18√2, 28, 24√2, 28√2, 40, 42, 48, 40√2.

Code: 407 0 88 406 0 48 187 40 88 180 58 88 154 73 73 123 88 76 36 73 73 65 76 70 64 82 70 483 88 28 427 40 70 242 24 24 207 40 28 280 60 28 281 88 28 243 24 0 165 24 8 85 24 0 84 32 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)

40
40√2
18
18√2
15√2
12
3√2
6
6√2
48
42
24√2
20
28√2
28
24
16
8
8√2