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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:170AA GHM

Order: 18

Horizontal side: 170 Vertical side: 170

Elements: 10√2, 16, 20, 20√2, 23√2, 38, 40, 46, 38√2, 54, 39√2, 60, 62, 46√2, 54√2, 78, 62√2, 70√2.

Code: 787 0 170 403 78 130 202 98 150 464 124 124 463 170 124 203 98 130 102 108 140 706 38 70 392 147 101 386 0 92 607 38 130 234 147 101 626 108 62 385 0 54 165 38 54 625 108 0 547 0 54 540 54 54

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)

78
40
20√2
46√2
46
20
10√2
70√2
39√2
38√2
60
23√2
62√2
38
16
62
54
54√2