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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:74AQ GHM

Order: 18

Horizontal side: 74 Vertical side: 74

Elements: 2√2, 3√2, 5√2, 8, 10, 8√2, 13, 14, 11√2, 12√2, 13√2, 14√2, 24, 25, 25√2, 37, 49, 37√2.

Code: 495 0 25 374 37 37 373 74 37 124 49 25 103 61 27 132 74 24 131 74 37 20 51 27 54 56 22 86 53 19 257 0 25 250 25 25 144 39 11 143 53 11 32 56 22 243 74 0 85 53 11 114 50 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)

49
37√2
37
12√2
10
13√2
13
2√2
5√2
8√2
25
25√2
14√2
14
3√2
24
8
11√2