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Notes Over 9 - 10 Rotations

Notes Over 9 - 10 Rotations. A _______________is a change of position or size of a figure. transformation. turn. rotation. Notes Over 9 - 10 Rotations.

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Notes Over 9 - 10 Rotations

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  1. Notes Over 9 - 10 Rotations A _______________is a change of position or size of a figure. transformation turn rotation

  2. Notes Over 9 - 10 Rotations 1. Find the vertices of the image of rRST after a rotation of 90o about the origin. T’ R R’ S’ T S

  3. Notes Over 9 - 10 Rotations Judging from appearance, tell whether the figure has rotational symmetry. If so, what is the angle of rotation. 3. 2. No Rotational symmetry o Yes 180

  4. Notes Over 9 - 10 Rotations Judging from appearance, tell whether the figure has rotational symmetry. If so, what is the angle of rotation. 4. o Yes 180

  5. Pg 492 9 – 10 #1 – 11, 12 – 28 Each figure below is an image formed by rotating the figure at the right. What is each angle of rotation? 1. 2. 3. o o o 180 270 90

  6. Pg 492 9 – 10 #1 – 11, 12 – 28 Graph each point. Then rotate it the given number of degrees about the origin. What are the coordinates of the image? 4. A(5, 5); 90o A A’ A’(-5, 5)

  7. Pg 492 9 – 10 #1 – 11, 12 – 28 Graph each point. Then rotate it the given number of degrees about the origin. What are the coordinates of the image? 5. B(0, - 2); 180o B’(0, 2) B’ B

  8. Pg 492 9 – 10 #1 – 11, 12 – 28 Graph each point. Then rotate it the given number of degrees about the origin. What are the coordinates of the image? 6. C(2, 4); 180o C C’(- 2, - 4) C’

  9. Pg 492 9 – 10 #1 – 11, 12 – 28 Graph each point. Then rotate it the given number of degrees about the origin. What are the coordinates of the image? 7. D(- 1, - 3); 90o C’(3, - 1) D’ D

  10. Pg 492 9 – 10 #1 – 11, 12 – 28 Judging from appearance, tell whether each figure has rotational symmetry. If so, what is the angle of rotation? 9. 8. o o 90 60 Yes Yes

  11. Pg 492 9 – 10 #1 – 11, 12 – 28 Judging from appearance, tell whether each figure has rotational symmetry. If so, what is the angle of rotation? 11. 10. o No Yes 60

  12. Pg 492 9 – 10 #1 – 11, 12 – 28

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