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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:170AA GHM

Order: 19

Horizontal side: 170 Vertical side: 170

Elements: 4, 10, 10√2, 20, 30, 27√2, 30√2, 31√2, 52, 54, 56, 58, 60, 62, 52√2, 54√2, 56√2, 58√2, 60√2.

Code: 627 0 170 520 62 170 521 114 170 567 114 170 566 114 114 100 10 118 101 20 118 307 20 118 306 20 88 607 50 118 600 110 118 41 114 118 542 54 54 201 20 108 314 81 27 580 112 58 581 170 58 543 54 0 272 81 27

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)

62
52√2
52
56
56√2
10√2
10
30
30√2
60
60√2
4
54√2
20
31√2
58√2
58
54
27√2