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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:220DE GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 2, 2√2, 4, 4√2, 8, 7√2, 14, 15√2, 22√2, 44, 44√2, 66, 74, 80, 88, 66√2, 74√2, 146, 110√2.

Code: 1465 0 74 1104 110 110 883 220 132 226 110 110 445 132 88 444 176 88 666 154 66 141 146 88 85 146 80 154 161 73 45 146 76 44 150 76 803 154 0 72 161 73 25 146 74 24 148 74 745 0 0 744 74 0 665 154 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)

146
110√2
88
22√2
44
44√2
66√2
14
8
15√2
4
4√2
80
7√2
2
2√2
74
74√2
66