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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:48AR1of2 GHM

Order: 19

Horizontal side: 48 Vertical side: 48

Elements: 1√2, 3, 4, 3√2, 4√2, 6, 8, 6√2, 9, 7√2, 10, 8√2, 14, 10√2, 17, 24, 17√2, 31, 24√2.

Code: 315 0 17 244 24 24 243 48 24 74 31 17 86 30 16 102 48 14 101 48 24 177 0 17 170 17 17 64 23 11 63 29 11 95 29 8 14 30 16 143 48 0 34 26 8 33 29 8 81 34 8 42 38 4 41 38 8

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)

31
24√2
24
7√2
8√2
10√2
10
17
17√2
6√2
6
9
1√2
14
3√2
3
8
4√2
4