Practice 7.1_ Attempt review _ VSC
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School
Southern New Hampshire University *
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Course
GEOMETRY
Subject
Mathematics
Date
Feb 20, 2024
Type
Pages
13
Uploaded by CorporalNewt4022
Started on
Wednesday, January 31, 2024, 6:53 PM
State
Finished
Completed on
Wednesday, January 31, 2024, 6:53 PM
Time taken
18 secs
Points
17.00/19.00
Grade
89.47
out of 100.00
Question 1
Correct
1.00 points out of 1.00
Question 2
Correct
1.00 points out of 1.00
Question 3
Correct
1.00 points out of 1.00
Vocabulary
are two polygons with the same shape, but not necessarily the same size.
similar polygons
Vocabulary
The
is the ratio that determines the proportional relationship between the sides of similar figures.
scale factor
Vocabulary
A
is when two ratios are set equal to each other.
proportion
Question 4
Correct
1.00 points out of 1.00
Question 5
Correct
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Question 6
Correct
1.00 points out of 1.00
Ratios
There are juniors at a high school The ratio of boys to girls in the junior class is . How many juniors are girls?
There are 136
junior girls.
Ratios
The perimeter of a rectangle is cm. The ratio of length to width is . Find the length and width of the rectangle.
Width = 12
cm.
Length = 18
cm.
Proportion
Instructions:
Solve for the variable in the following proportion.
18
Question 7
Correct
1.00 points out of 1.00
Question 8
Correct
1.00 points out of 1.00
Proportion
Instructions:
Solve for the variable in the following proportion.
21
Similar Polygons
Instructions:
List the pairs of congruent angles and the extended proportion that relates the corresponding sides for the similar polygons.
Given:
Congruent Angles
W
A
T
Proportion
Triangle 1
=
AB
=
Triangle 2
WV
WT
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Question 9
Correct
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Similar Polygons
Instructions:
List the pairs of congruent angles and the extended proportion that relates the corresponding sides for the similar polygons.
Given:
Congruent Angles
G
B
I
D
Proportion
Polygon 1
=
BC
=
=
AD
Polygon 2
GH
IJ
Question 10
Correct
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Question 11
Correct
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Similar?
Instructions:
Determine whether the polygons are similar.
The polygons are
.
similar
Similar?
Instructions:
Determine whether the polygons are similar.
The polygons are
.
not similar
Question 12
Correct
1.00 points out of 1.00
Similar?
Instructions:
Determine whether the polygons are similar.
The polygons are
.
not similar
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Question 13
Partially correct
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Scale Factor
Instructions:
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.
Scale Factor
Smaller Figure
2
Larger Figure
2
Question 14
Incorrect
0.00 points out of 1.00
Scale Factor
Instructions:
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.
Scale Factor
Smaller Figure
5/3
Larger Figure
5/3
Question 15
Partially correct
0.50 points out of 1.00
Scale Factor
Instructions:
The polygons in each pair are similar. Find the scale factor of the smaller figure to the larger figure.
Scale Factor
Smaller Figure
1/3
Larger Figure
3
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Question 16
Correct
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Missing Length
Instructions:
The polygons in each pair are similar. Find the missing side length.
Missing length \(=\) 7
.
Question 17
Correct
1.00 points out of 1.00
Missing Length
Instructions:
The polygons in each pair are similar. Find the missing side length.
Missing length \(=\) 35
.
Question 18
Correct
1.00 points out of 1.00
Similar?
Instructions:
Determine whether the following polygons are similar. If yes, type 'yes' in the Similar box and type in the similarity statement
and scale factor. If no, type 'None' in the blanks. For the scale factor, please enter a fraction. Use the forward dash (i.e. /) to create a fraction
(e.g. 1/2 is the same as \(\frac12\)).
Similar:
yes
Similarity Statement:
EFG
\(\sim\) LMN
Scale Factor:
3
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Question 19
Correct
1.00 points out of 1.00
Similar?
Instructions:
Determine whether the following polygons are similar. If yes, type 'yes' in the Similar box and type in the similarity statement
and scale factor. If no, type 'None' in the blanks. For the scale factor, please enter a fraction. Use the forward dash (i.e. /) to create a fraction
(e.g. 1/2 is the same as \(\frac12\)).
Similar:
yes
Similarity Statement:
EFG
\(\sim\) LMN
Scale Factor:
5/3