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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:88AM1of4 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 48 125 40 76 154 55 73 180 70 88 181 88 88 485 40 28 64 46 70 63 52 70 32 55 73 421 88 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
12
15√2
18√2
18
48
6√2
6
3√2
42
24√2
20
28√2
28
24
16
8
8√2