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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180BG1of2 GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 2√2, 4, 4√2, 9√2, 18, 14√2, 16√2, 18√2, 28, 24√2, 28√2, 48, 42√2, 66, 48√2, 57√2, 66√2, 114, 90√2.

Code: 1145 0 66 904 90 90 426 138 138 483 138 90 282 166 110 283 166 82 142 180 96 486 132 48 244 114 66 46 134 86 26 132 84 45 134 82 180 132 84 164 150 66 665 0 0 664 66 0 96 123 57 187 132 66 570 123 57

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)

114
90√2
42√2
48
28√2
28
14√2
48√2
24√2
4√2
2√2
4
18√2
16√2
66
66√2
9√2
18
57√2