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

Primitive Perfect Isosceles Right Triangled Square

Title: _ 15:40AC GHM

Order: 15

Horizontal side: 40 Vertical side: 40

Elements: 2, 2√2, 4, 6, 5√2, 8, 6√2, 8√2, 12, 16, 12√2, 13√2, 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 18 125 0 6 124 12 6 56 19 13 130 19 13 84 32 0 83 40 0 65 0 0 64 6 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
12
12√2
5√2
13√2
8√2
8
6
6√2