Squaring.net >> IRTS >> PPIRTSS >> Order 15

Primitive Perfect Isosceles Right Triangled Square

Title: _ 15:40AD GHM

Order: 15

Horizontal side: 40 Vertical side: 40

Elements: 1√2, 2, 2√2, 4, 8, 6√2, 7√2, 8√2, 12, 16, 12√2, 18, 22, 16√2, 20√2.

Code: 225 0 18 204 20 20 166 24 24 43 24 20 165 24 8 24 22 18 23 24 18 185 0 0 124 12 6 123 24 6 12 25 7 84 32 0 83 40 0 70 25 7 64 18 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)

22
20√2
16√2
4
16
2√2
2
18
12√2
12
1√2
8√2
8
7√2
6√2