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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:240AD GHM

Order: 19

Horizontal side: 240 Vertical side: 240

Elements: 4√2, 8, 9√2, 18, 18√2, 20√2, 27√2, 28√2, 48, 34√2, 54, 48√2, 68, 90, 96, 116, 124, 96√2, 120√2.

Code: 1247 0 240 903 124 150 1167 124 240 1206 120 120 340 34 150 541 88 150 272 115 123 184 106 132 183 124 132 94 115 123 83 124 124 280 116 124 44 120 120 687 0 116 200 68 116 486 0 48 967 48 96 960 144 96 485 0 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)

124
90
116
120√2
34√2
54
27√2
18√2
18
9√2
8
28√2
4√2
68
20√2
48√2
96
96√2
48