Properties of Reflections

Author:
Tengbers
An investigation on the properties of a reflection.
Grab any point on △ABC and move it around. You can also grab point E on the line of reflection and move it around. What do you notice about the following things? (a) The angle between segment AA' and the line of reflection? (b) The length of the segment from A to A'? (c) The angle between segment BB' and the line of reflection? (d) The length of the segment from B to B'? (e) The angle between segment BB' and the line of reflection? (f) The length of the segment from B to B'?