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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:150AL GHM

Order: 18

Horizontal side: 150 Vertical side: 150

Elements: 4√2, 8, 8√2, 9√2, 16, 18, 18√2, 20√2, 35, 36, 28√2, 40, 31√2, 55, 75, 55√2, 95, 75√2.

Code: 955 0 55 754 75 75 753 150 75 204 95 55 40 115 75 351 150 75 163 111 55 82 119 63 81 119 71 312 150 40 363 119 27 557 0 55 550 55 55 284 83 27 403 150 0 184 101 9 183 119 9 94 110 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)

95
75√2
75
20√2
4√2
35
16
8√2
8
31√2
36
55
55√2
28√2
40
18√2
18
9√2