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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:146AP GHM

Order: 18

Horizontal side: 146 Vertical side: 146

Elements: 1√2, 2, 5√2, 10, 10√2, 20, 17√2, 18√2, 19√2, 34, 38, 39, 34√2, 56, 73, 56√2, 90, 73√2.

Code: 905 0 56 734 73 73 733 146 73 174 90 56 50 107 73 391 146 73 100 102 68 101 112 68 342 146 34 23 92 56 12 93 57 201 112 58 190 93 57 567 0 56 560 56 56 184 74 38 381 112 38 343 146 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)

90
73√2
73
17√2
5√2
39
10√2
10
34√2
2
1√2
20
19√2
56
56√2
18√2
38
34