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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:138AE GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 1, 4√2, 8, 9, 10, 8√2, 10√2, 12√2, 20, 15√2, 24, 20√2, 40, 49, 59, 69, 79, 59√2, 69√2.

Code: 795 0 59 694 69 69 693 138 69 104 79 59 103 89 59 95 89 60 491 138 69 17 89 60 46 86 56 87 90 60 86 90 52 405 98 20 597 0 59 590 59 59 154 74 44 120 86 56 241 98 44 204 118 0 203 138 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)

79
69√2
69
10√2
10
9
49
1
4√2
8
8√2
40
59
59√2
15√2
12√2
24
20√2
20