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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:94AP GHM

Order: 18

Horizontal side: 94 Vertical side: 94

Elements: 1√2, 3, 10, 8√2, 9√2, 13, 10√2, 16, 18, 13√2, 20, 18√2, 29, 38, 47, 38√2, 56, 47√2.

Code: 565 0 38 474 47 47 473 94 47 94 56 38 86 57 39 165 65 31 291 94 47 10 57 39 387 0 38 380 38 38 201 58 38 102 68 28 31 68 31 137 68 31 130 81 31 103 68 18 184 76 0 183 94 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)

56
47√2
47
9√2
8√2
16
29
1√2
38
38√2
20
10√2
3
13
13√2
10
18√2
18