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Regular Polygon - Reflection Symmetry

With each applet reflect the shaded colored portion of the polygon over the given line and determine if it is a line of symmetry. Once you have done that for all versions of the shape go back to the original shape (the one with labelled points) and alter the shape to see if is true for other forms of the shape.

Equilateral Triangle Reflection Symmetry

Square Reflection Symmetry

Regular Pentagon Reflection Symmetry

Regular Hexagon Reflection Symmetry