Squaring.net >> IRTS >> PPIRTSS >> Order 18

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:70AX GHM

Order: 18

Horizontal side: 70 Vertical side: 70

Elements: 2, 2√2, 5, 5√2, 8, 9, 8√2, 9√2, 14, 11√2, 16, 19, 16√2, 27, 35, 27√2, 43, 35√2.

Code: 435 0 27 354 35 35 353 70 35 84 43 27 83 51 27 52 56 30 191 70 35 53 56 25 145 56 16 277 0 27 270 27 27 114 38 16 20 49 27 21 51 27 90 47 25 91 56 25 164 54 0 163 70 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)

43
35√2
35
8√2
8
5√2
19
5
14
27
27√2
11√2
2√2
2
9√2
9
16√2
16