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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:158CQ GHM

Order: 19

Horizontal side: 158 Vertical side: 158

Elements: 1√2, 2, 2√2, 3√2, 11√2, 20, 15√2, 26, 20√2, 30, 23√2, 36, 46, 36√2, 46√2, 66, 66√2, 69√2, 112.

Code: 1127 0 158 236 89 135 467 112 158 466 112 112 690 89 135 206 0 46 365 20 30 364 56 30 660 92 66 661 158 66 205 0 26 22 22 28 34 23 27 156 11 15 307 26 30 23 22 26 12 23 27 265 0 0 114 11 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)

112
23√2
46
46√2
69√2
20√2
36
36√2
66√2
66
20
2√2
3√2
15√2
30
2
1√2
26
11√2