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Lines of Reflection

Properties of Reflections

A quadrilateral has been reflected over a line. Use the Segment Tool to construct segments connecting the corresponding points. Drag the points of the line of reflection and make observations about the segments and the line of reflection.

Observe

What do you notice about the relationship between the line of reflection and the segments connecting corresponding points?

Construct

Below, a figure has been reflected over a line, but the line has been hidden. Use the Perpendicular Bisector Tool to construct the line of reflection.

Identify

How can you construct the line of reflection?