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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:278AE GHM

Order: 19

Horizontal side: 278 Vertical side: 278

Elements: 5√2, 10, 10√2, 20, 20√2, 32, 40, 32√2, 48, 40√2, 64, 48√2, 75, 59√2, 107, 139, 107√2, 171, 139√2.

Code: 1715 0 107 1394 139 139 1393 278 139 324 171 107 323 203 107 402 243 99 751 278 139 1077 0 107 1070 107 107 484 155 59 483 203 59 403 243 59 202 263 79 203 263 59 102 273 69 103 273 59 52 278 64 643 278 0 594 214 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)

171
139√2
139
32√2
32
40√2
75
107
107√2
48√2
48
40
20√2
20
10√2
10
5√2
64
59√2