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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:210AA GHM

Order: 18

Horizontal side: 210 Vertical side: 210

Elements: 6, 6√2, 12, 9√2, 12√2, 17√2, 42, 58, 42√2, 50√2, 76, 58√2, 59√2, 84, 67√2, 76√2, 110, 84√2.

Code: 842 84 126 674 67 143 506 84 160 767 134 210 766 134 134 176 67 143 592 143 101 122 146 122 843 84 42 123 146 110 62 152 116 63 152 110 582 210 58 94 143 101 1103 152 0 583 210 0 425 0 0 424 42 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)

84√2
67√2
50√2
76
76√2
17√2
59√2
12√2
84
12
6√2
6
58√2
9√2
110
58
42
42√2