Index
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Design,
Sawayama - Thebault's theorem: Triangle,
Circumcircle, Incircle, Circle, Center, Tangent, Collinear
centers, Triangle, Angle Bisector, Midpoint, Parallel,
Perimeter, Semiperimeter, Area, Perpendicular, Euclid Elements,
Square, Dissection.
Geometric Art: Design Geometry Problems 531-540, Visual Index