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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:220DC GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 2, 2√2, 4, 3√2, 6, 7√2, 20, 20√2, 40, 30√2, 40√2, 70, 74, 76, 80, 70√2, 74√2, 146, 110√2.

Code: 1465 0 74 1104 110 110 803 220 140 306 110 110 405 140 100 404 180 100 706 150 70 205 140 80 204 160 80 61 146 80 45 146 76 74 153 73 25 146 74 24 148 74 763 150 0 32 153 73 745 0 0 744 74 0 705 150 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
80
30√2
40
40√2
70√2
20
20√2
6
4
7√2
2
2√2
76
3√2
74
74√2
70