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

Primitive Perfect Isosceles Right Triangled Square

Title: d 15:40AF JDS

Order: 15

Horizontal side: 40 Vertical side: 40

Elements: 2√2, 3, 4, 3√2, 4√2, 6, 8, 9, 12, 14, 17, 20, 23, 17√2, 20√2.

Code: 235 0 17 204 20 20 203 40 20 34 23 17 33 26 17 125 26 8 141 40 20 177 0 17 170 17 17 91 26 17 81 34 8 42 38 4 41 38 8 22 40 6 63 40 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)

23
20√2
20
3√2
3
12
14
17
17√2
9
8
4√2
4
2√2
6