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Unit 7 Test 5/27/2022 v2
By James Parson
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Last updated 6 days ago
10 questions
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Note from the author:
Instructions
This is the Unit 7 Test.
Complete the entire document for full credit.
This is the Unit 7 Test.
Complete the entire document for full credit.
Dilations
Required
20
Required
30
Ratios and Prop
ortions
Required
20
Required
20
Triangle Proportionality
Required
20
Required
20
Proving Triangles Similar
Required
20
Required
20
Similarity in Right Triangles
Required
20
Required
20
Question 1
1.
This is an example of what kind of dilation? _______
Scale factor can be written as
(x,y)
→
(kx, ky)
The scale factor is of this example is
(x,y)
→ _______
visibility
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Question 2
2.
Graph and label each figure
and its image under a dilation with the given
scale factor. Assume all dilations use the origin as the center of dilation.
List the coordinates of the new triangle.
L': _______
M': _______
N': _______
visibility
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Question 3
3.
Solve this proportion for x.
visibility
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Question 4
4.
Use this diagram to solve for x
visibility
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Question 5
5.
If ∆PQR ~ ∆SQT, find the value of x.
Round you answer to the nearest tenth.
visibility
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Question 6
6.
If △LMN~△LBC, find LC.
visibility
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Question 7
7.
Are these triangles similar? If yes, then what method proves they are similar (Using
AA
SSS
SAS
). If the triangles are not similar then write
n/a.
_______
If yes, complete this similarity statement. If the triangles are not similar then write
n/a
△AED~△_______
visibility
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Question 8
8.
Are these triangles similar? If yes, then what method proves they are similar (Using
AA
SSS
SAS
). If the triangles are not similar then write
n/a.
_______
If yes, complete this similarity statement. If the triangles are not similar then write
n/a
△BCD~△_______
visibility
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Question 9
9.
Solve for x.
visibility
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Question 10
10.
Solve for x.
visibility
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