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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:155AA GHM

Order: 18

Horizontal side: 155 Vertical side: 155

Elements: 6√2, 12, 12√2, 13√2, 24, 25, 25√2, 40, 30√2, 50, 51, 39√2, 60, 66, 50√2, 52√2, 80, 65√2.

Code: 807 0 155 500 80 155 501 130 155 252 155 130 251 155 155 656 90 65 306 0 75 607 30 105 663 90 39 407 90 105 245 0 51 132 103 52 520 103 52 515 0 0 124 12 39 123 24 39 62 30 45 394 51 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)

80
50√2
50
25√2
25
65√2
30√2
60
66
40
24
13√2
52√2
51
12√2
12
6√2
39√2