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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:132AB GHM

Order: 19

Horizontal side: 132 Vertical side: 132

Elements: 4, 3√2, 4√2, 6, 8, 6√2, 11√2, 15√2, 22, 17√2, 22√2, 23√2, 44, 52, 40√2, 44√2, 66, 55√2, 66√2.

Code: 665 0 66 664 66 66 406 92 92 156 77 77 172 109 75 110 77 77 230 109 75 445 0 22 444 44 22 83 88 58 42 92 62 43 92 58 36 77 55 65 80 52 64 86 52 550 77 55 521 132 52 225 0 0 224 22 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)

66
66√2
40√2
15√2
17√2
11√2
23√2
44
44√2
8
4√2
4
3√2
6
6√2
55√2
52
22
22√2