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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:160AK GHM

Order: 19

Horizontal side: 160 Vertical side: 160

Elements: 8√2, 10√2, 16, 12√2, 20, 16√2, 24, 32, 25√2, 28√2, 40, 30√2, 32√2, 50, 45√2, 70, 60√2, 90, 80√2.

Code: 905 0 70 804 80 80 606 100 100 203 100 80 322 132 68 104 90 70 306 70 50 705 0 0 454 45 25 323 132 36 282 160 40 256 45 25 505 70 0 403 160 0 165 100 20 164 116 20 243 132 12 84 108 12 124 120 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
60√2
20
32√2
10√2
30√2
70
45√2
32
28√2
25√2
50
40
16
16√2
24
8√2
12√2