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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:114AH GHM

Order: 18

Horizontal side: 114 Vertical side: 114

Elements: 2, 2√2, 4, 9√2, 10√2, 18, 14√2, 20, 18√2, 19√2, 28, 29, 34, 43, 57, 43√2, 71, 57√2.

Code: 715 0 43 574 57 57 573 114 57 144 71 43 100 85 57 291 114 57 43 75 43 22 77 45 201 95 47 192 114 28 23 77 43 182 95 27 437 0 43 430 43 43 341 77 43 283 114 0 183 95 9 94 86 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)

71
57√2
57
14√2
10√2
29
4
2√2
20
19√2
2
18√2
43
43√2
34
28
18
9√2