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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:120BA4of4 GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 5, 6, 5√2, 6√2, 9, 7√2, 10, 8√2, 12, 9√2, 16, 32, 40, 32√2, 48, 40√2, 44√2, 80, 60√2.

Code: 805 0 40 604 60 60 446 76 76 103 76 66 52 81 71 53 81 66 72 88 64 60 66 66 61 72 66 92 81 57 91 81 66 163 88 48 322 120 32 121 72 60 84 80 40 483 88 0 405 0 0 404 40 0 323 120 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)

80
60√2
44√2
10
5√2
5
7√2
6√2
6
9√2
9
16
32√2
12
8√2
48
40
40√2
32