Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:158AE GHM

Order: 19

Horizontal side: 158 Vertical side: 158

Elements: 11, 14, 14√2, 25, 18√2, 26, 28, 26√2, 42, 31√2, 44, 52, 39√2, 62, 44√2, 52√2, 80, 57√2, 88.

Code: 807 0 158 520 80 158 521 132 158 262 158 132 261 158 158 883 158 44 283 28 78 427 28 106 316 39 75 627 70 106 392 39 39 144 14 64 143 28 64 113 39 64 182 57 57 251 39 64 570 57 57 444 114 0 443 158 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)

80
52√2
52
26√2
26
88
28
42
31√2
62
39√2
14√2
14
11
18√2
25
57√2
44√2
44