Similarity and Transformations
Presentation
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Mathematics
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8th Grade
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Practice Problem
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Easy
+1
Standards-aligned
Laura Smyczek
Used 3K+ times
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10 Slides • 3 Questions
1
Similarity and Transformations
Lesson 9.3
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Poll
Which figure is the preimage and how do you know?
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Poll
Since the blue figure is the preimage, which figure is the FIRST in the sequence?
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Poll
Since the green figure is the FIRST in the sequence, by what scale factor was it enlarged?
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Are these two figures similar?
p. 502 Complete the ratios of the side lengths in step 1. Since the ratios are equal, a dilation with a scale factor of 2 is one of the transformation that maps DEF onto GHI
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Are these figures similar?
p. 504 You write the ratios to determine if all the sides are proportional.
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These figures are not similar
The ratios are not equivalent.
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Dilations and scale factor
p. 505
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These figures are similar.
Find the scale factor. p. 505
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Original photo is 2 in by 3 in
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Similarity and Transformations
Lesson 9.3
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