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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:56AV GHM

Order: 19

Horizontal side: 56 Vertical side: 56

Elements: 1√2, 2, 2√2, 4, 3√2, 4√2, 6, 8, 10, 8√2, 12, 10√2, 16, 12√2, 16√2, 24, 20√2, 24√2, 44.

Code: 447 0 56 120 44 56 121 56 56 240 32 44 241 56 44 86 0 12 167 8 20 200 24 20 164 40 4 106 46 10 85 0 4 63 46 4 105 46 0 45 0 0 44 4 0 34 43 1 26 44 2 16 43 1 25 44 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)

44
12√2
12
24√2
24
8√2
16
20√2
16√2
10√2
8
6
10
4
4√2
3√2
2√2
1√2
2