Squaring.net >> IRTS >> PPIRTSS >> Order 16

Primitive Perfect Isosceles Right Triangled Square

Title: __ 16:21AB GHM

Order: 16

Horizontal side: 21 Vertical side: 21

Elements: 1, 1√2, 2, 2√2, 4, 3√2, 5, 4√2, 7, 5√2, 8, 9, 7√2, 8√2, 12, 9√2.

Code: 127 0 21 90 12 21 91 21 21 36 0 9 75 3 5 74 10 5 40 17 12 41 21 12 22 2 7 80 13 8 81 21 8 23 2 5 12 3 6 13 3 5 55 0 0 54 5 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)

12
9√2
9
3√2
7
7√2
4√2
4
2√2
8√2
8
2
1√2
1
5
5√2