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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:148BC GHM

Order: 18

Horizontal side: 148 Vertical side: 148

Elements: 4√2, 10√2, 12√2, 20, 16√2, 24, 19√2, 20√2, 38, 40, 48, 50, 38√2, 43√2, 62, 50√2, 86, 98.

Code: 985 0 50 861 86 148 432 129 105 621 148 148 190 129 105 243 110 62 382 148 48 381 148 86 124 98 50 166 94 46 507 0 50 500 50 50 401 90 50 202 110 30 44 94 46 483 148 0 203 110 10 104 100 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)

98
86
43√2
62
19√2
24
38√2
38
12√2
16√2
50
50√2
40
20√2
4√2
48
20
10√2