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

Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:130AN GHM

Order: 19

Horizontal side: 130 Vertical side: 130

Elements: 2√2, 5, 5√2, 6√2, 10, 8√2, 12, 10√2, 16, 20, 16√2, 27, 32, 49, 57, 65, 73, 57√2, 65√2.

Code: 735 0 57 654 65 65 653 130 65 84 73 57 60 81 65 491 130 65 20 75 59 121 87 59 275 87 32 577 0 57 570 57 57 201 77 57 102 87 47 103 87 37 54 82 32 53 87 32 321 114 32 162 130 16 163 130 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)

73
65√2
65
8√2
6√2
49
2√2
12
27
57
57√2
20
10√2
10
5√2
5
32
16√2
16