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UNIT 10 NOTES Dilations. Rigid Transformations ⇢ Congruence Reflections Rotations Translations Compositions Isometry!!!!!

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Presentation on theme: "UNIT 10 NOTES Dilations. Rigid Transformations ⇢ Congruence Reflections Rotations Translations Compositions Isometry!!!!!"— Presentation transcript:

1 UNIT 10 NOTES Dilations

2 Rigid Transformations ⇢ Congruence Reflections Rotations Translations Compositions Isometry!!!!!

3 Non- rigid transformations ⇢ Similarity Dilation The preimage and image are similar. Similar : Corresponding angles are congruent Corresponding sides are proportional.

4 Dilations

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6

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8 Example 4: Determine if the picture represents an enlargement or reduction. Find the scale factor and the value of x. 15 5 x

9 Coordinate form

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13 A ( 12, 9 ) ; B ( -12, 3 ) ; C ( -6, -6 ) Vector form

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15 9.5. What is the area of A’B’C’D’?

16 http://www.glencoe.com/sites/texas/student/mathematics/assets/interactive_lab/mac3/M3_05/M3_05_dev_100.html Click Link Below

17 Dilations Handout

18 What’s in the Box?? 29 items in all 2 types of items 1 type worth 21 cents each, the other type 8 cents each Contents of the box worth $3.39 How many of each item?

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