Similar Triangles True or False

1. Which of the following is not true about dilations? -> They preserve shape
2. The proportional sides of two similar triangles are 7 and 3. If the preimage is the smaller triangle, what is the scale factor of the dilation? ->
3. What happens when an object undergoes dilation of scale 1? -> It disappears
4. What happens when an object undergoes dilation of scale 0? -> An image congruent to the preimage is created in the same location
5. What scale factor is used in this dilation if the orange triangle is the preimage?

->

6. Which of the following scale factors would result in a reduction? -> 2
7. If LM = 2 and MN = 6, which statement about the drawing is true?

-> ∆LNP is the image of ∆MNO under dilation about N of ratio 3

8. How do you classify an image that results from dilation with a scale factor of ? -> Reduction
9. Which pair of shapes is not necessarily similar? -> Two rhombi

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