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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:180AV GHM

Order: 19

Horizontal side: 180 Vertical side: 180

Elements: 10, 12, 12√2, 22, 16√2, 24, 21√2, 32, 24√2, 42, 32√2, 48, 58, 42√2, 74, 53√2, 90, 106, 90√2.

Code: 1065 0 74 904 90 90 903 180 90 164 106 74 483 122 42 242 146 66 581 180 90 745 0 0 534 53 21 243 146 42 122 158 54 123 158 42 225 158 32 216 53 21 425 74 0 424 116 0 103 158 32 320 148 32 321 180 32

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
90√2
90
16√2
48
24√2
58
74
53√2
24
12√2
12
22
21√2
42
42√2
10
32√2
32