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D (2, 3) E (5, 4) F (4, 1)

Do Now Find the coordinates of the vertices of the new image after using the given reflection rule. D (2, 3) E (5, 4) F (4, 1). 12.6 Rotations & Symmetry Objective: rotate figures and identify rotational symmetry Homework: 12.6 Worksheet. Rotational Symmetry.

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D (2, 3) E (5, 4) F (4, 1)

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  1. Do NowFind the coordinates of the vertices of the new image after using the given reflection rule.

  2. D (2, 3) E (5, 4) F (4, 1)

  3. 12.6 Rotations & Symmetry Objective: rotate figures and identify rotational symmetry Homework: 12.6 Worksheet

  4. Rotational Symmetry • An object has rotational symmetry if you can turn it less then 180 degrees and get the same image. Examples:

  5. Rotation Rules

  6. Example • Rotate the given figure 90 degrees.

  7. Example • Rotate the given figure 180 degrees.

  8. Example • Rotate the given figure 270 degrees.

  9. Examples

  10. Tell whether the transformation is a rotation of the origin. If it is, describe the rotation.

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