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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:320AH GHM

Order: 19

Horizontal side: 320 Vertical side: 320

Elements: 10, 10√2, 16, 20, 20√2, 36, 50, 52, 56, 52√2, 53√2, 54√2, 104, 106, 110, 107√2, 110√2, 210, 160√2.

Code: 2105 0 110 1604 160 160 1076 213 213 530 213 213 501 210 160 202 230 140 561 266 160 542 320 106 203 230 120 365 230 104 105 210 110 104 220 110 163 230 104 1105 0 0 1104 110 0 1063 320 0 1043 214 0 522 266 52 521 266 104

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)

210
160√2
107√2
53√2
50
20√2
56
54√2
20
36
10
10√2
16
110
110√2
106
104
52√2
52