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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:54AH GHM

Order: 19

Horizontal side: 54 Vertical side: 54

Elements: 1√2, 2, 2√2, 3, 3√2, 4√2, 5√2, 6√2, 9, 10, 12, 10√2, 15, 12√2, 21, 27, 21√2, 33, 27√2.

Code: 335 0 21 274 27 27 273 54 27 64 33 21 50 39 27 151 54 27 46 30 18 107 34 22 100 44 22 217 0 21 210 21 21 91 30 21 37 30 21 32 33 15 10 33 15 20 32 14 21 34 14 124 42 0 123 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)

33
27√2
27
6√2
5√2
15
4√2
10
10√2
21
21√2
9
3
3√2
1√2
2√2
2
12√2
12