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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:148AH GHM

Order: 18

Horizontal side: 148 Vertical side: 148

Elements: 2, 2√2, 4, 4√2, 8, 19, 27, 22√2, 33, 41, 44, 33√2, 41√2, 44√2, 66, 74, 82, 74√2.

Code: 825 0 66 744 74 74 743 148 74 81 82 74 42 86 70 334 115 41 333 148 41 43 86 66 22 88 68 23 88 66 275 88 41 665 0 0 444 44 22 443 88 22 197 88 41 410 107 41 411 148 41 224 66 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)

82
74√2
74
8
4√2
33√2
33
4
2√2
2
27
66
44√2
44
19
41√2
41
22√2