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Look carefully at the key below. Which of the keys below could you create by spinning (rotating) the original key? Which keys could you create by flipping (reflecting) the original key? 6-75 HW eTool (CPM). Homework Help ✎

original key

  1. key a

  1. key b

  1. key c

  1. key d

Refer to the Math Notes box in Lesson 6.1.3.

part (a): reflection
part (b): rotation

Now try (c) and (d) on your own.

math notes

Use the eTool below to explore rigid transformations.
Click the link at right for the full version of the eTool: CC3 6-75 HW eTool