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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:76AK3of4 GHM

Order: 19

Horizontal side: 76 Vertical side: 76

Elements: 4√2, 6, 8, 6√2, 8√2, 10√2, 12√2, 18, 20, 15√2, 24, 28, 20√2, 21√2, 30, 24√2, 36, 28√2, 40.

Code: 405 0 36 244 24 52 243 48 52 287 48 76 286 48 48 124 36 40 86 40 44 185 48 30 46 36 40 85 40 36 365 0 0 214 21 15 60 42 36 61 48 36 156 21 15 307 36 30 100 66 30 200 56 20 201 76 20

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
24√2
24
28
28√2
12√2
8√2
18
4√2
8
36
21√2
6√2
6
15√2
30
10√2
20√2
20