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 Reflection Line:  A line that acts as a mirror in the form of a perpendicular bisector so that corresponding points are the same distance from the mirror.

Symmetry Lines: Determine the number of symmetry lines a polygon has.

Reflecting Coordinates: What line can you reflect the point (x,y) around to end up at (y,x)? (-x,y)? (x,-y)? (-y,-x)? Explain how you found your answers.

All Swimmed Out: Determine the shortest path in a noncollinear route using triangles.

Locus of Reflection: Trace the path of a reflected point to determine a pattern and the reason the pattern occurs.