Reflections
Reflection of triangle ABC over Line DE.
Construct segments AA', BB', and CC'. What is the relationship between those segments and line DE?
Is a reflection considered to be a rigid transformation?
If a point is reflected across the y-axis, how does the ordered pair change?
If a point is reflected across the x-axis, how does the ordered pair change?
If a point is reflected across the line y=x, how does the ordered pair change?
What is the definition of a line of symmetry?