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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:160AL GHM

Order: 19

Horizontal side: 160 Vertical side: 160

Elements: 2√2, 4, 3√2, 4√2, 6, 8, 7√2, 8√2, 30, 25√2, 30√2, 35√2, 50, 60, 45√2, 70, 90, 65√2, 80√2.

Code: 905 0 70 804 80 80 656 95 95 86 87 87 352 130 60 76 80 80 85 87 79 65 87 73 44 91 75 43 95 75 24 93 73 503 95 25 34 90 70 705 0 0 454 45 25 603 130 0 302 160 30 303 160 0 254 70 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)

90
80√2
65√2
8√2
35√2
7√2
8
6
4√2
4
2√2
50
3√2
70
45√2
60
30√2
30
25√2