reflec about line

主題：反射

Drag segment to see the circles' reflect about line. The distance of each circle to line is equal to distance of its reflect to line. .Direction of the movement of reflect is changed

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Parameters of General Parabola
Eden's Polygons
Slope of Parallel and Perpendicular Lines
Radian Measure in Unit Circle
Tangents of a Parabola to a Focal Chord

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reflec about line

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