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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:152CB GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 3, 4, 3√2, 4√2, 6, 8, 6√2, 9√2, 17, 21, 19√2, 38, 38√2, 55, 59, 55√2, 57√2, 97, 76√2.

Code: 975 0 55 764 76 76 576 95 95 190 95 95 211 97 76 92 106 67 171 114 76 382 152 38 66 100 61 85 106 59 36 97 58 65 100 55 45 106 55 44 110 55 593 114 0 35 97 55 555 0 0 554 55 0 383 152 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)

97
76√2
57√2
19√2
21
9√2
17
38√2
6√2
8
3√2
6
4
4√2
59
3
55
55√2
38