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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:70BE GHM

Order: 18

Horizontal side: 70 Vertical side: 70

Elements: 2√2, 3√2, 5√2, 8, 10, 11, 8√2, 14, 10√2, 11√2, 12√2, 13√2, 23, 24, 23√2, 35, 47, 35√2.

Code: 475 0 23 354 35 35 353 70 35 124 47 23 143 59 21 112 70 24 111 70 35 243 70 0 237 0 23 230 23 23 104 33 13 103 43 13 52 48 18 24 45 21 34 48 18 80 51 21 81 59 21 134 46 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)

47
35√2
35
12√2
14
11√2
11
24
23
23√2
10√2
10
5√2
2√2
3√2
8√2
8
13√2