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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:88AK1of4 GHM

Order: 19

Horizontal side: 88 Vertical side: 88

Elements: 3, 3√2, 6, 8, 9, 8√2, 9√2, 16, 20, 15√2, 24, 28, 30, 24√2, 28√2, 40, 30√2, 48, 40√2.

Code: 407 0 88 406 0 48 95 40 79 94 49 79 156 43 73 307 58 88 306 58 58 37 40 79 36 40 76 67 43 79 485 40 28 242 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
9
9√2
15√2
30
30√2
3
3√2
6
48
24√2
20
28√2
28
24
16
8
8√2