notes

1. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
1
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Supplemental Practice
Page: 58 and 59
Module 8.2 Lesson 6
Rotations of 180 degrees
Do Now:
Quiz 1

2. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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3. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Page 53

4. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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(­4,3)
(4,­3)
(x,y) (­x,­y)
Rule:
Page 53

5. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
Rules for Rotating 180 degrees
(x,y) (­x,­y)
** Rotating a figure 180 degrees clockwise is the same as
rotating a figure 180 degrees counter clockwise!!

6. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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(x,y) (­x,­y)
(2, ­4) (­2, 4)
**Start to rotate
counter-clockwise
Page 54

7. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Page 54
(x,y) (­x,­y)
(-3,5) --> (3,-5)

8. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Page 55

9. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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10. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Pre­Image Image
A (1, 2)
B (4, 6)
C (7, 1)
A' (­1, ­2)
B' (­4, ­6)
C' (­7, ­1)
A'
B'
C'
Page 57

11. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Page 56

12. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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13. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Page 56

14. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Reflection
across y = -x
Rotation of
1800
A(1, 2) A` A``
B(1, 7) B` B``
C(4, 2) C` C``
On Graph Paper

15. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Rules for Rotations
90 degrees clockwise: (x,y) (y,-x)
90 degrees counter clockwise: (x,y) (-y,x)
180 degrees: (x,y) (-x,-y)

16. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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17. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Supplemental Practice: Page 58

18. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
Supplemental Practice: Page 58

19. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Supplemental Practice: Page 59

20. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Supplemental Practice: Page 59

21. Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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