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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:280AJ GHM

Order: 19

Horizontal side: 280 Vertical side: 280

Elements: 10, 10√2, 20, 20√2, 25√2, 40, 30√2, 50, 40√2, 60, 50√2, 80, 90, 110, 80√2, 120, 85√2, 170, 140√2.

Code: 1705 0 110 1404 140 140 806 200 200 603 200 140 805 200 120 304 170 110 903 200 50 405 200 80 404 240 80 1203 280 0 1105 0 0 854 85 25 205 200 60 204 220 60 105 200 50 104 210 50 256 85 25 505 110 0 504 160 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)

170
140√2
80√2
60
80
30√2
90
40
40√2
120
110
85√2
20
20√2
10
10√2
25√2
50
50√2