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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:152CL GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 2√2, 4, 4√2, 7, 6√2, 8√2, 20, 28, 21√2, 34, 35, 28√2, 42, 34√2, 55, 76, 55√2, 97, 76√2.

Code: 975 0 55 764 76 76 763 152 76 214 97 55 286 90 48 342 152 42 341 152 76 557 0 55 550 55 55 351 90 55 77 90 55 285 90 20 423 152 0 201 110 20 45 110 16 44 114 16 66 112 14 82 118 8 24 112 14

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)

97
76√2
76
21√2
28√2
34√2
34
55
55√2
35
7
28
42
20
4
4√2
6√2
8√2
2√2