Geometry 1 lesson 6 rotations of 180 degrees
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Transcript of Geometry 1 lesson 6 rotations of 180 degrees
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
Supplemental Practice
Page: 58 and 59
Module 8.2 Lesson 6
Rotations of 180 degrees
Do Now:
Quiz 1
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Page 53
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
(4,3)
(4,3)
(x,y) (x,y)Rule:
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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!!
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
(x,y) (x,y)(2, 4) (2, 4)
**Start to rotate counter-clockwise
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Page 54
(x,y) (x,y)(-3,5) --> (3,-5)
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
PreImage Image
A (1, 2)B (4, 6)C (7, 1)
A' (1, 2)B' (4, 6)C' (7, 1)
A'
B'
C'
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Page 56
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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September 28, 2016
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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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
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Rules for Rotations90 degrees clockwise: (x,y) (y,-x)
90 degrees counter clockwise: (x,y) (-y,x)
180 degrees: (x,y) (-x,-y)
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Supplemental Practice: Page 58
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Supplemental Practice: Page 58
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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Supplemental Practice: Page 59
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Supplemental Practice: Page 59
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Geometry 1 Lesson 6 Rotations of 180 degrees.notebook
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