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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:179AB3of4 GHM

Order: 19

Horizontal side: 179 Vertical side: 179

Elements: 8√2, 16, 19, 16√2, 28, 32, 24√2, 38, 28√2, 47, 48, 38√2, 56, 66, 47√2, 85, 66√2, 94, 113.

Code: 1137 0 179 853 113 94 667 113 179 666 113 113 195 113 94 286 0 66 567 28 94 246 60 70 487 84 94 943 132 0 472 179 47 323 60 38 162 76 54 285 0 38 163 76 38 82 84 46 473 179 0 385 0 0 384 38 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)

113
85
66
66√2
19
28√2
56
24√2
48
94
47√2
32
16√2
28
16
8√2
47
38
38√2