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

Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:212AB4of4 GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 10, 12, 10√2, 12√2, 20, 20√2, 30, 41, 30√2, 35√2, 53, 41√2, 47√2, 53√2, 65√2, 94, 106, 118, 106√2.

Code: 1187 0 212 476 71 165 947 118 212 1066 106 106 306 41 135 352 106 130 416 0 94 305 41 105 656 41 65 122 118 118 1065 106 0 202 61 85 201 61 105 102 71 95 101 71 105 415 0 53 125 41 53 537 0 53 530 53 53

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)

118
47√2
94
106√2
30√2
35√2
41√2
30
65√2
12√2
106
20√2
20
10√2
10
41
12
53
53√2