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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:122BH GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 4√2, 7, 8, 7√2, 8√2, 14, 16, 21, 24, 28, 21√2, 26√2, 28√2, 42, 33√2, 54, 47√2, 68, 61√2.

Code: 685 0 54 614 61 61 476 75 75 143 75 61 215 75 54 74 68 54 73 75 54 547 0 54 216 33 33 427 54 54 260 96 54 330 33 33 163 70 12 247 70 28 280 94 28 281 122 28 84 62 4 83 70 4 44 66 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)

68
61√2
47√2
14
21
7√2
7
54
21√2
42
26√2
33√2
16
24
28√2
28
8√2
8
4√2