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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:270AA GHM

Order: 19

Horizontal side: 270 Vertical side: 270

Elements: 7√2, 10, 14, 10√2, 14√2, 20, 20√2, 21√2, 42, 30√2, 44, 42√2, 84, 93, 114, 135, 156, 114√2, 135√2.

Code: 1565 0 114 1354 135 135 1353 270 135 214 156 114 70 177 135 931 270 135 140 170 128 141 184 128 445 184 84 1147 0 114 1140 114 114 304 144 84 100 174 114 101 184 114 200 164 104 201 184 104 841 228 84 422 270 42 423 270 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)

156
135√2
135
21√2
7√2
93
14√2
14
44
114
114√2
30√2
10√2
10
20√2
20
84
42√2
42