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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:198AT GHM

Order: 18

Horizontal side: 198 Vertical side: 198

Elements: 8, 8√2, 16, 24, 18√2, 28, 24√2, 34, 36, 28√2, 29√2, 58, 64, 82, 58√2, 82√2, 87√2, 140.

Code: 1407 0 198 296 111 169 587 140 198 586 140 140 870 111 169 246 0 58 282 52 54 281 52 82 647 52 82 820 116 82 821 198 82 245 0 34 363 52 18 345 0 0 161 16 34 82 24 26 81 24 34 184 34 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)

140
29√2
58
58√2
87√2
24√2
28√2
28
64
82√2
82
24
36
34
16
8√2
8
18√2