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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:38AA GHM

Order: 19

Horizontal side: 38 Vertical side: 38

Elements: 2, 2√2, 4, 3√2, 4√2, 6, 5√2, 8, 6√2, 10, 8√2, 12, 14, 10√2, 16, 12√2, 14√2, 20, 22.

Code: 145 0 24 144 14 24 100 28 38 101 38 38 40 18 28 201 38 28 122 12 12 221 22 24 165 22 8 123 12 0 62 18 6 32 25 5 84 30 0 83 38 0 63 18 0 45 18 2 50 25 5 25 18 0 24 20 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)

14
14√2
10√2
10
4√2
20
12√2
22
16
12
6√2
3√2
8√2
8
6
4
5√2
2
2√2