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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:180AC GHM

Order: 18

Horizontal side: 180 Vertical side: 180

Elements: 5√2, 14√2, 15√2, 24, 26, 28, 20√2, 26√2, 28√2, 40, 50, 54, 56, 70, 50√2, 70√2, 110, 90√2.

Code: 1105 0 70 904 90 90 506 130 130 403 130 90 505 130 80 204 110 70 56 125 85 150 125 85 241 154 80 262 180 54 261 180 80 705 0 0 704 70 0 140 140 70 563 126 0 282 154 28 281 154 56 543 180 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)

110
90√2
50√2
40
50
20√2
5√2
15√2
24
26√2
26
70
70√2
14√2
56
28√2
28
54