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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:230AC GHM

Order: 19

Horizontal side: 230 Vertical side: 230

Elements: 5√2, 16, 28, 28√2, 40, 44, 50, 60, 44√2, 70, 50√2, 72, 80, 90, 70√2, 100, 75√2, 80√2, 90√2.

Code: 905 0 140 904 90 140 500 180 230 501 230 230 403 130 140 282 158 152 1001 230 180 283 158 124 725 158 80 702 70 70 701 70 140 607 70 140 163 130 124 440 114 124 441 158 124 52 75 75 804 150 0 803 230 0 750 75 75

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)

90
90√2
50√2
50
40
28√2
100
28
72
70√2
70
60
16
44√2
44
5√2
80√2
80
75√2