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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:130AG GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 8√2, 14, 16, 14√2, 21, 16√2, 24, 28, 21√2, 32, 28√2, 45, 32√2, 53, 56, 74, 53√2, 77.

Code: 775 0 53 561 56 130 282 84 102 741 130 130 283 84 74 142 98 88 143 98 74 322 130 56 214 77 53 213 98 53 323 130 24 537 0 53 530 53 53 451 98 53 165 98 8 164 114 8 243 130 0 84 106 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)

77
56
28√2
74
28
14√2
14
32√2
21√2
21
32
53
53√2
45
16
16√2
24
8√2