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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:106AK GHM

Order: 18

Horizontal side: 106 Vertical side: 106

Elements: 2√2, 6√2, 8√2, 12, 13, 14, 10√2, 16, 13√2, 20, 27, 20√2, 33, 43, 53, 43√2, 63, 53√2.

Code: 635 0 43 534 53 53 533 106 53 104 63 43 123 73 41 132 86 40 331 106 53 437 0 43 430 43 43 161 59 43 82 67 35 24 61 41 64 67 35 143 73 27 133 86 27 202 106 20 271 86 27 203 106 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)

63
53√2
53
10√2
12
13√2
33
43
43√2
16
8√2
2√2
6√2
14
13
20√2
27
20