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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:88AM4of4 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: 487 0 88 423 48 46 402 88 48 401 88 88 246 64 24 60 6 46 61 12 46 32 15 43 184 30 28 183 48 28 150 15 43 127 0 40 287 0 28 280 28 28 201 48 28 163 64 8 245 64 0 84 56 0 83 64 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
42
40√2
40
24√2
6√2
6
3√2
18√2
18
15√2
12
28
28√2
20
16
24
8√2
8