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

Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:45AA2of4 GHM

Order: 18

Horizontal side: 45 Vertical side: 45

Elements: 2√2, 7, 8, 6√2, 7√2, 11, 8√2, 12, 14, 10√2, 11√2, 16, 12√2, 17, 14√2, 21, 22, 17√2.

Code: 175 0 28 174 17 28 110 34 45 111 45 45 60 23 34 221 45 34 142 14 14 211 21 28 87 21 28 86 21 20 165 29 12 102 31 10 143 14 0 72 21 7 24 31 10 120 33 12 121 45 12 73 21 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)

17
17√2
11√2
11
6√2
22
14√2
21
8
8√2
16
10√2
14
7√2
2√2
12√2
12
7