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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:140AM GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 4, 6√2, 10, 12, 14, 12√2, 18, 20, 24, 20√2, 21√2, 24√2, 40, 35√2, 40√2, 60, 80, 60√2, 70√2.

Code: 807 0 140 356 45 105 402 120 100 401 120 140 202 140 120 201 140 140 606 80 60 210 45 105 240 24 84 241 48 84 122 60 72 181 66 84 145 66 70 123 60 60 62 66 66 47 66 70 700 70 70 101 80 70 607 0 60

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)

80
35√2
40√2
40
20√2
20
60√2
21√2
24√2
24
12√2
18
14
12
6√2
4
70√2
10
60