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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:208CB GHM

Order: 19

Horizontal side: 208 Vertical side: 208

Elements: 2, 10, 10√2, 20, 17√2, 19√2, 30, 34, 36, 38, 40, 34√2, 68, 70, 50√2, 70√2, 104, 138, 104√2.

Code: 1385 0 70 1044 104 104 1043 208 104 344 138 70 343 172 70 172 189 87 361 208 104 190 189 87 707 0 70 700 70 70 504 120 20 403 170 30 27 170 70 387 170 68 683 208 0 100 130 30 101 140 30 307 140 30 201 140 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)

138
104√2
104
34√2
34
17√2
36
19√2
70
70√2
50√2
40
2
38
68
10√2
10
30
20