4­7 Congruence Transformations over 2 Days
November 17 and 18, 2014
Chapter 4­7: Congruence Transformations
Vocabulary
Transformation: Maps an original geometric figure.
Preimage
Image
Isometry: The position of the image differs from the pre­image, but the figures are still congruent!
Transformation Types
1
4­7 Congruence Transformations over 2 Days
November 17 and 18, 2014
Example 1
2
4­7 Congruence Transformations over 2 Days
November 17 and 18, 2014
Example 1
Example 2
3
4­7 Congruence Transformations over 2 Days
November 17 and 18, 2014
Example 3
Rotation : turning a figure around a
fixed point (the center of rotation)
Example 4
4
4­7 Congruence Transformations over 2 Days
November 17 and 18, 2014
Demonstration
Example 5
5