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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:166AF4of4 GHM

Order: 18

Horizontal side: 166 Vertical side: 166

Elements: 2√2, 4, 4√2, 6, 6√2, 12, 14, 14√2, 23√2, 37, 46, 37√2, 60, 46√2, 83, 60√2, 106, 83√2.

Code: 1065 0 60 834 83 83 833 166 83 234 106 60 370 129 83 371 166 83 607 0 60 600 60 60 144 74 46 143 88 46 67 88 60 66 88 54 127 94 60 42 92 50 43 92 46 22 94 48 464 120 0 463 166 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)

106
83√2
83
23√2
37√2
37
60
60√2
14√2
14
6
6√2
12
4√2
4
2√2
46√2
46