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Polygon similarity

Total questions: 10

Worksheet time: 1hrs 9mins

Name
Class
Date
1.

What is the scale factor from ABCD to MNOP?

a)

2/3

b)

3/2

c)

2

d)

3

2.
The pair of figures is similar. Find the missing side.
a)
x = 12
b)
x = 3
c)
x = 40
d)
x = 4
3.
Find missing side.
a)
1/5
b)
5
c)
7
d)
1/7
4.
What is the similarity statement for the triangle pair?
a)
ΔXYZ~ΔNEW
b)
ΔXZY~ΔNWE
c)
ΔZYX~ΔENW
d)
ΔYZX~ΔNWE
5.
If two figures are similar, the corresponding sides are ______________.
a)
equal
b)
congruent
c)
proportional
d)
none of these
6.
What is the value of X?
a)
X=4
b)
X=6
c)
X=3
d)
X=2
7.
The measures of the angles in a triangle are 53⁰,78⁰, and 49⁰.  A similar triangle is created by using a dilation with a scale factor of 2.  What are the measures of the angles of this triangle?
a)
53⁰,78⁰, and 49⁰
b)
There is not enough information to answer this question.
c)
106⁰,156⁰, and 98⁰
d)
26.5⁰,39⁰, and 24.5⁰
8.
Find x
a)
10.5
b)
5
c)
8.5
d)
6
9.
Find the perimeter of the large triangle.
a)
24
b)
36
c)
12
d)
54
10.
Find the missing side length. 
a)
16
b)
12
c)
35
d)
15