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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:280AI GHM

Order: 19

Horizontal side: 280 Vertical side: 280

Elements: 2, 12√2, 22, 24, 30, 22√2, 24√2, 25√2, 30√2, 48, 60, 68, 60√2, 110, 80√2, 85√2, 110√2, 170, 140√2.

Code: 1705 0 110 1404 140 140 806 200 200 603 200 140 685 200 132 304 170 110 303 200 110 225 200 110 224 222 110 240 244 132 241 268 132 122 280 120 606 220 60 1105 0 0 1104 110 0 256 195 85 27 220 110 487 220 108 850 195 85

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)

170
140√2
80√2
60
68
30√2
30
22
22√2
24√2
24
12√2
60√2
110
110√2
25√2
2
48
85√2