GEO: 7-2 QC (similar figures)
7.2
1. Fill in the blank:Two figures are similar if and only if their sides are _____________________ and their angles are ___________________. 
congruent; congruent
congruent; proportional
proportional; congruent 
proportional; proportional
2. Are the figures below similar?


7.2
Yes
No
3. Are the figures below similar? If so, find the
similarity ratio.
7.2
No, not similar figures
Yes, similarity ratio = ⅔
Yes, similarity ratio = 5
Yes, similarity ratio = ⅓
4. Are the figures below similar?


7.2
Yes
No
5. Tell if the triangles are similar. If so, give the
similarity ratio.
7.2
Yes, similarity ratio = 2/ 2.3
Yes, similarity ratio = 1.5 / 1.7
No, Not Similar
Yes, similarity ratio = 1.4 / 1.6
7.2
6. Write a similarity statement for the similar
polygons below.  Find the similarity ratio.
JIHK ~
*Use capital
   letters!
similarity ratio =
 .7
1.56
 .8
7.2
7. Write a similarity statement for the similar
polygons below.  Find the similarity ratio.
ABC ~
*Use capital
   letters!
similarity ratio =
2/3
5/8
.77
7.2
8. A replica car has a similarity ratio of 2:45.  The
replica car has a length of 6.4 inches.  Find the
length of the original car in feet.
* Remember to change answer to feet!!
length of the original =
feet
7.2
9. A replica car has a similarity ratio of 1:30.  The
replica car has a width of 3.2 inches.  Find the
width of the original car in inches.
width of the original =
inches
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