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Design,
Angle, Triangle, Quadrilateral, Congruence,
Equilateral and Isosceles triangle, 10, 20, 30, 45, 60, 80, 120 degrees, Median,
Cevian, Equal segments, Auxiliary lines.
See the graphic above transformed
into kaleidoscopic patterns.
See
also:
Original problem
9
Sketch problem 9, art 01
Sketch problem
9, art 02
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