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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:120BN GHM

Order: 19

Horizontal side: 120 Vertical side: 120

Elements: 2, 2√2, 4, 4√2, 8, 10, 12, 11√2, 15√2, 26, 30, 34, 26√2, 38, 30√2, 38√2, 60, 82, 60√2.

Code: 825 0 38 604 60 60 603 120 60 261 86 60 347 86 60 306 90 30 385 0 0 384 38 0 123 76 26 27 76 38 26 76 36 47 78 38 40 82 38 105 76 26 81 86 34 156 75 15 305 90 0 260 64 26 114 75 15

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)

82
60√2
60
26
34
30√2
38
38√2
12
2
2√2
4
4√2
10
8
15√2
30
26√2
11√2