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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:220AC GHM

Order: 18

Horizontal side: 220 Vertical side: 220

Elements: 11√2, 13√2, 22, 16√2, 32, 44, 32√2, 33√2, 48, 35√2, 44√2, 64, 70, 88, 64√2, 86√2, 88√2, 110√2.

Code: 1102 110 110 884 88 132 883 176 132 442 220 176 441 220 220 646 156 112 221 110 132 112 121 121 334 143 99 350 121 121 136 143 99 645 156 48 860 86 86 701 156 86 325 156 16 324 188 16 483 220 0 164 172 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)

110√2
88√2
88
44√2
44
64√2
22
11√2
33√2
35√2
13√2
64
86√2
70
32
32√2
48
16√2