Geo 7.2 Similar Polygons
Fill in the blank:Two figures are similar if and only if their corresponding sides are _____________________ and their corresponding angles are ___________________. 
congruent; congruent
congruent; proportional
proportional; congruent 
proportional; proportional
Are the figures below similar? If so, find the
similarity ratio.
No, not similar figures
Yes, similarity ratio = ⅔
Yes, similarity ratio = 5
Yes, similarity ratio = ⅓
Are the figures below similar?


Yes
No, not enough information
Tell if the triangles are similar. If so, give the
similarity ratio.
Yes, similarity ratio = 2/ 2.3
Yes, similarity ratio = 1.5 / 1.7
No, Not Similar
Yes, similarity ratio = 1.4 / 1.6
Write a similarity statement for the similar
polygons below.  Find the similarity ratio.
ABC ~
use capital letters
similarity ratio =
2/3
5/8
.77
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
A replica car has a similarity ratio of 3: 41.  The
replica car has a width of 5.2 inches.  Find the
width of the original car to the nearest inch
width of the original =
inches
A map has a scale of 1inch : 30 miles.  If the
distance from Zeeland to Detroit is 5.5 inches
on the map, how many actual miles is it?
miles =
FACT:  All circles are similar.  Find the similarity ratio of Circle B' to Circle A.
ratio = 3 : 2
ratio = 2 : 3
ratio = 3 : 1 
Two Rectangles are always similar.
Two Squares are always similar.
Two Equilaterals triangles are always similar.
Two Isosceles triangles are always similar.
Two regular hexagons are always similar.
Two concave decagons are always similar.
Which of the following statements are true?  
Check all that apply. 
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