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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:54AE JDS

Order: 19

Horizontal side: 54 Vertical side: 54

Elements: 1, 1√2, 2, 3√2, 5, 4√2, 6, 5√2, 6√2, 10, 12, 14, 10√2, 17, 22, 27, 22√2, 32, 27√2.

Code: 325 0 22 274 27 27 273 54 27 54 32 22 53 37 22 32 40 24 171 54 27 46 36 20 145 40 10 227 0 22 220 22 22 121 34 22 62 40 16 21 36 22 12 37 21 11 37 22 63 40 10 104 44 0 103 54 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)

32
27√2
27
5√2
5
3√2
17
4√2
14
22
22√2
12
6√2
2
1√2
1
6
10√2
10