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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:152AE GHM

Order: 18

Horizontal side: 152 Vertical side: 152

Elements: 2, 2√2, 5√2, 10, 10√2, 20, 20√2, 36, 38, 40, 36√2, 37√2, 38√2, 40√2, 74, 76, 78, 76√2.

Code: 787 0 152 376 41 115 747 78 152 766 76 76 50 41 115 366 0 74 107 36 110 100 46 110 207 36 100 200 56 100 407 36 80 406 36 40 22 78 78 765 76 0 365 0 38 25 36 38 387 0 38 380 38 38

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
37√2
74
76√2
5√2
36√2
10
10√2
20
20√2
40
40√2
2√2
76
36
2
38
38√2