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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:56AI2of2 GHM

Order: 19

Horizontal side: 56 Vertical side: 56

Elements: 1, 1√2, 2, 2√2, 3, 4, 4√2, 5√2, 8, 7√2, 8√2, 14, 16, 12√2, 14√2, 28, 32, 26√2, 28√2.

Code: 327 0 56 283 32 28 142 46 42 141 46 56 72 53 49 54 51 51 43 56 52 10 52 52 11 53 52 37 53 52 266 30 26 21 53 51 46 0 24 87 4 28 86 4 20 167 12 28 280 28 28 24 30 26 122 12 12

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)

32
28
14√2
14
7√2
5√2
4
1√2
1
3
26√2
2
4√2
8
8√2
16
28√2
2√2
12√2