Think you’ve got your head wrapped around Similar Triangles? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. Which of the following is not true about dilations?
They preserve shape
They can either increase or decrease the size of an object
They do not change the angle measures of an object
They are congruence transformations
They can be either reductions or enlargements
Q. 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?
None of the above
Q. What happens when an object undergoes dilation of scale 1?
No image is created from the preimage
An image similar to the preimage is created in a different location
It disappears
An image congruent to the preimage is created
An image similar to the preimage is created in the same location
Q. What happens when an object undergoes dilation of scale 0?
No image is created from the preimage
An image similar to the preimage is created in a different location
An image congruent to the preimage is created in a different location
An image congruent to the preimage is created in a different orientation
An image congruent to the preimage is created in the same location
Q. What scale factor is used in this dilation if the orange triangle is the preimage?
Q. Which of the following scale factors would result in a reduction?
2
-3
1
None of the above
Q. 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 
∆LNP is the image of ∆MNO under dilation about N of ratio 3
∆MNO is the image of ∆LNP under dilation about N of ratio 
∆MNO is the image of ∆LNP under dilation about N of ratio
∆LNP is the image of ∆MNO under dilation about N of ratio 2
Q. How do you classify an image that results from dilation with a scale factor of ?
? Enlargement
Congruence
Reduction
Midsegment
Prime
Q. Which pair of shapes is not necessarily similar?
Two rhombi
Two equilateral triangles
Two squares
Two circles
Two regular hexagons