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1. 
What is the formula for scale factor?
A.
image length divided by object length
B.
object length divided by image length
C.
image length multiplied by object length
D.
object length multiplied by image length
2. 
What is a congruent triangle?
3. 
When labelling vertices in a congruent or similar triangle you must label them in a different order.
A.
true
B.
false
4. 
Scale factor is the ratio of corresponding lengths in an object and its image.
A.
true
B.
false
5. 
what is the symbol for similarity?
A.
S
B.
III
C.
SIM
D.
6. 
what is the scale factor if the object is on the right and image on the left?
A.
5
B.
2
C.
2.5