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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:54AB GHM

Order: 19

Horizontal side: 54 Vertical side: 54

Elements: 2, 2√2, 3, 4, 3√2, 4√2, 6, 10, 8√2, 12, 14, 16, 18, 19, 22, 16√2, 19√2, 32, 27√2.

Code: 325 0 22 274 27 27 196 35 35 86 27 27 195 35 16 225 0 0 181 18 22 147 18 22 123 32 10 32 35 19 33 35 16 67 32 16 160 38 16 161 54 16 20 20 10 21 22 10 107 22 10 47 18 8 46 18 4

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
19√2
8√2
19
22
18
14
12
3√2
3
6
16√2
16
2√2
2
10
4
4√2