Squaring.net >> IRTS >> PPIRTSS >> Order 19

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:182AG JDS

Order: 19

Horizontal side: 182 Vertical side: 182

Elements: 1, 4, 4√2, 8, 8√2, 16, 14√2, 15√2, 16√2, 30, 31, 30√2, 60, 62, 60√2, 61√2, 62√2, 120, 91√2.

Code: 1205 0 62 914 91 91 616 121 121 303 121 91 315 121 90 154 106 76 13 121 90 146 106 76 165 120 74 164 136 74 300 152 90 85 120 66 84 128 66 45 120 62 44 124 62 625 0 0 624 62 0 600 122 60 601 182 60

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)

120
91√2
61√2
30
31
15√2
1
14√2
16
16√2
30√2
8
8√2
4
4√2
62
62√2
60√2
60