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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:122BF GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 3√2, 6, 6√2, 7√2, 12, 14, 12√2, 19, 19√2, 28, 20√2, 37, 28√2, 40, 34√2, 54, 47√2, 68, 61√2.

Code: 685 0 54 614 61 61 476 75 75 143 75 61 192 94 56 74 68 54 126 63 49 193 94 37 282 122 28 545 0 0 344 34 20 66 57 43 125 63 37 36 54 40 65 57 37 206 34 20 405 54 0 371 94 37 283 122 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
19√2
7√2
12√2
19
28√2
54
34√2
6√2
12
3√2
6
20√2
40
37
28