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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:156AX GHM

Order: 19

Horizontal side: 156 Vertical side: 156

Elements: 4, 5, 4√2, 8, 8√2, 20, 15√2, 25, 20√2, 30, 22√2, 26√2, 30√2, 48, 63, 78, 63√2, 93, 78√2.

Code: 935 0 63 784 78 78 783 156 78 154 93 63 206 88 58 222 130 56 481 156 78 637 0 63 630 63 63 251 88 63 57 88 63 205 88 38 260 130 56 84 96 30 83 104 30 42 108 34 41 108 38 304 126 0 303 156 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)

93
78√2
78
15√2
20√2
22√2
48
63
63√2
25
5
20
26√2
8√2
8
4√2
4
30√2
30