Shape 

Copyright David & Cynthia Thomas, 2009

Linear Transformations--Directed Activity: Rotations

Focus

Rotation

Technologies

Protractor & metric ruler

Background

Figure 4.10: Rotation

Tasks

For each object in Figure 4.10

· Mark the turn center.

· Mark and measure the turn angle formed by each vertex, its image, and the turn center under the indicated rotation.

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