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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180AF GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 10, 14, 10√2, 20, 24, 17√2, 30, 34, 38, 30√2, 36√2, 38√2, 60, 74, 53√2, 76, 60√2, 90, 90√2.

Code: 905 0 90 904 90 90 536 127 127 170 127 127 203 110 90 102 120 100 341 144 110 362 180 74 103 120 90 245 120 76 605 0 30 604 60 30 143 120 76 763 106 0 382 144 38 381 144 76 743 180 0 305 0 0 304 30 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)

90
90√2
53√2
17√2
20
10√2
34
36√2
10
24
60
60√2
14
76
38√2
38
74
30
30√2