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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:140BN GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 2, 2√2, 7, 7√2, 14, 19, 14√2, 15√2, 17√2, 19√2, 21√2, 34, 36, 34√2, 53, 70, 53√2, 87, 70√2.

Code: 875 0 53 704 70 70 703 140 70 174 87 53 150 104 70 361 140 70 20 89 55 21 91 55 145 91 41 144 105 41 210 119 55 537 0 53 530 53 53 194 72 34 193 91 34 75 91 34 74 98 34 344 106 0 343 140 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)

87
70√2
70
17√2
15√2
36
2√2
2
14
14√2
21√2
53
53√2
19√2
19
7
7√2
34√2
34