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IV II Q lies on m and PQ ⊥ m ASA 7.2 Reflections.

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Presentation on theme: "IV II Q lies on m and PQ ⊥ m ASA 7.2 Reflections."— Presentation transcript:

1 IV II Q lies on m and PQ ⊥ m ASA 7.2 Reflections

2 Chapter 7 Section 7.2 Reflections 7.2 Reflections

3 ΔQRP →ΔQ’R’P’ by a reflection in line m
Theorem 7.1 Reflection Theorem A reflection is an isometry 7.2 Reflections

4 The image of C reflected over the x-axis
Graph the given reflection The image of C reflected over the x-axis 7.2 Reflections

5 The D is on the y-axis, a reflection over it would be the same point
Graph the given reflection The D is on the y-axis, a reflection over it would be the same point 7.2 Reflections

6 The image of E reflected over the line y = 3
Graph the given reflection The image of E reflected over the line y = 3 7.2 Reflections

7 Graph the given reflection
Since F is on the line y = -2, a reflection over it would be the same point 7.2 Reflections

8 The image of G reflected over the line x = 1
Graph the given reflection The image of G reflected over the line x = 1 7.2 Reflections

9 The image of H reflected over the line x = 4
Graph the given reflection The image of H reflected over the line x = 4 7.2 Reflections

10 Graph the given reflection
7.2 Reflections

11 7.2 Reflections

12 9. Isosceles Triangle 10. Equilateral Triangle 1 line of Symmetry 3 lines of Symmetry 7.2 Reflections

13 The point (2, 0) is where C should be so that AC + CB is a minimum
Find point C on the x axis so AC + CB is a minimum The point (2, 0) is where C should be so that AC + CB is a minimum A’ A B 7.2 Reflections

14 C(5, 0) is the point that makes AC + CB a minimum
Find point C on the x axis so AC + CB is a minimum 1. Reflect A over the x-axis 2. Connect A’ to B A 3. The spot where A’B crosses the x-axis is where C should be. B C(5, 0) is the point that makes AC + CB a minimum A’ 7.2 Reflections

15 HW #2 Pg Odd, 36-46, 48-51 7.2 Reflections


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