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Total questions: 14

Worksheet time: 51mins

Name
Class
Date
1.
How does a dilation change the angles of a polygon?
a)
It changes by the scale factor.
b)
Dilations do not change the angles.
c)
It is impossible to answer this question.  The angles change unpredictably.
d)
The angles all change to larger angles.
2.
To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?
a)
144 feet
b)
72 feet
c)
36 feet
3.
Complete each proportion.
AB / BM  =  ? / CD
a)
BC
b)
AC
c)
MD
d)
MC
4.
What is the value of X?
a)
X=4
b)
X=6
c)
X=3
d)
X=2
5.
Are the triangles similar?
a)
Yes
b)
No
6.
A building is 20 feet tall and casts a 12 foot shadow, and a person who is standing right next to the building casts a 3 foot shadow, how tall would the person be?
a)
15 feet
b)
20 feet
c)
2.5 feet
d)
5 feet
7.
A ladder is 50 feet and casts a 25 foot shadow. Mark is 6 feet how long would his shadow be?
a)
25 feet
b)
32 feet
c)
12 feet
d)
3 feet
8.
The dimensions of a rectangular photograph are 6 inches by 4 inches. If the photograph is enlarged proportionally so that the length is 15 inches, what would the width of the enlarged photograph be?
a)
4 inches
b)
6 inches
c)
10 inches
d)
13 inches
9.
The triangles are similar by...
a)
SAS
b)
AA
c)
ASA
d)
SSS
10.
The triangles are similar by...
a)
SAS
b)
AA
c)
ASA
d)
SSS
11.
The triangles are similar by...
a)
SAS
b)
AAS
c)
ASA
d)
SSS
12.
The triangles are similar by...
a)
SAS
b)
AA
c)
ASA
d)
SSS
13.
Are these triangles similar?
Angles in Triangle 1:  40⁰,60⁰, and 80⁰
Angles in Triangle 2:  40⁰,50⁰, and 90⁰
a)
Yes
b)
No
c)
There is not enough information to decide.
14.
If the triangles are similar, state how.
a)
SSS
b)
SAS
c)
AA
d)
Not similar.