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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:120AE1of2 GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 4, 4√2, 6, 8, 6√2, 10, 8√2, 14, 16, 15√2, 20√2, 30, 40, 30√2, 50, 60, 45√2, 50√2, 60√2.

Code: 602 60 60 504 50 70 503 100 70 67 100 120 60 106 120 141 120 120 47 100 114 46 100 110 87 104 114 80 112 114 202 120 90 161 120 106 603 120 30 101 60 70 407 60 70 156 45 45 450 45 45 304 90 0 303 120 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)

60√2
50√2
50
6
6√2
14
4
4√2
8
8√2
20√2
16
60
10
40
15√2
45√2
30√2
30