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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:122AF GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 1, 11, 10√2, 11√2, 20, 21, 19√2, 20√2, 30, 38, 30√2, 31√2, 46, 34√2, 35√2, 38√2, 57, 42√2, 46√2.

Code: 465 0 76 464 46 76 356 57 87 307 92 122 306 92 92 202 112 72 113 57 76 342 91 53 382 38 38 571 57 76 203 112 52 102 122 62 316 91 31 116 80 42 15 91 52 217 91 52 420 80 42 383 38 0 192 57 19

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)

46
46√2
35√2
30
30√2
20√2
11
34√2
38√2
57
20
10√2
31√2
11√2
1
21
42√2
38
19√2