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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108BZ GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4√2, 6, 8, 7√2, 8√2, 12, 14, 12√2, 20, 18√2, 28, 20√2, 22√2, 27√2, 40, 34√2, 54, 68, 54√2.

Code: 685 0 40 544 54 54 543 108 54 141 68 54 205 68 34 204 88 34 276 81 27 405 0 0 224 22 18 40 44 40 124 56 28 123 68 28 186 22 18 87 40 36 80 48 36 67 68 34 340 74 34 74 81 27 287 40 28

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
54√2
54
14
20
20√2
27√2
40
22√2
4√2
12√2
12
18√2
8
8√2
6
34√2
7√2
28