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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108AX GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 2, 2√2, 4, 6, 5√2, 6√2, 10, 10√2, 22, 16√2, 22√2, 32, 27√2, 28√2, 44, 32√2, 54, 64, 54√2.

Code: 645 0 44 544 54 54 543 108 54 101 64 54 225 64 32 224 86 32 276 81 27 445 0 0 284 28 16 20 56 44 21 58 44 67 58 44 66 58 38 100 54 42 41 58 42 166 28 16 327 44 32 320 76 32 54 81 27

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)

64
54√2
54
10
22
22√2
27√2
44
28√2
2√2
2
6
6√2
10√2
4
16√2
32
32√2
5√2