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- 1. Multiple ChoiceA dilation always produces a similar figure. Similar figures have the same ______ but different ______.measure; shapessizes; shapesvalue; measuresshape; sizes
- 2. Multiple Choice
Which must be true of a scale factor of a dilation if the image is smaller that the pre-image?
The scale factor is positive
The scale factor is greater than 1
The scale factor is between 0 and 1
The scale factor is negative
- 3. Multiple ChoiceHow does a dilation change the angles of a polygon?It changes by the scale factor.Dilations do not change the angles.It is impossible to answer this question. The angles change unpredictably.The angles all change to larger angles.
- 4. Multiple ChoiceState the coordinate of the image of the given point B (-10,-6) under a dilation with center at the origin with the given scale factor k = 1/2.(5,3)(20,12)(-20,-12)(-5,-3)
- 5. Multiple Choice
Choose the correct scale factor:231/31/2 - 6. Fill in the Blank
Figure D´E´F´G´ is a dilation with center (0, 0) of figure DEFG. What is the scale factor?
- 7. Multiple Choice
Rectangle ABCD is dilated by a scale factor of 1/2 with the center at B. What are the coordinates of point D?
(6,4)
(3,2)
(4,7)
(12,8)
- 8. Multiple Choice
Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.
AA
SSS
SAS
Not similar
- 9. Multiple Choice
Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.
AA
SSS
SAS
no similar
- 10. Multiple Choice
Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.
SSS
AA
SAS
not similar
- 11. Multiple Choice
Are the triangles similar?
Yes
No
- 12. Multiple ChoiceTo find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree. How tall is the tree?144 feet72 feet36 feet
- 13. Multiple Choice
Rajesh is making pennants in preparation for a school soccer game. He wants the pennants to be similar triangles. Which of these triangles could he use for the pennants?
QRS and TVW
QRS and XYZ
TVW and JKL
TVW and XYZ
- 14. Multiple Choice
Find the value of x, and use it to find KM.
x = 10, KM = 25
x = 11, KM = 28
x = 13.3 KM = 34.9
x = 4.3, KM = 8
- 15. Multiple ChoiceFind side length X.22.51097.5
- Answer choicesTagsAnswer choicesTags