Shape 

Copyright David & Cynthia Thomas, 2009

Linear Transformations--Directed Activity: Reflections

Focus

Reflection

Technologies

Metric ruler

Background

Figure 4.9: Reflection

Tasks

For each object in Figure 4.9

· Draw the reflecting line (mirror).

· Draw and measure line segments between each point and its image under the reflection.

· Describe the relationship between reflecting line and these segments.

· Formulate a conjecture concerning the segments, angles, and areas of each triangle and its image under the translation.