Check Skills

Report
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To identify and apply similar polygons
Using a knowledge of extended proportions, students
will define and make explicit use of the term “scale
factor” between similar polygons. They will also
solve equations involving scale factor.
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7-2 Quiz
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The following questions are to help you decide if
you understood today’s lesson.
Please make sure you ask questions when you
miss one so you won’t make the same mistakes in
your homework.
Be sure to record the number you got right on
your portfolio sheet!
1. ABCD ~ WXYZ. AD = 6, DC = 3, and WZ = 59.
Find YZ. The figures are not drawn to scale.
X
B
W
A
ZY
C
D
Z
A. 118
B. 29.5
C. 21.7
D. 177
2. You are reducing a map of dimensions 2 ft. by 3 ft. to fit to
a piece of paper 8 in. by 10 in. What are the dimensions of
the largest possible map that can fit on the page?
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3. Figure TQRS  BCDE . Name a pair of
corresponding sides?
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4. Determine whether the figures are similar.
6.6
3
1.9
3
6.08
6.08
6.6
1.9
Not drawn to scale
A. Similar
B. Not similar
C. Not enough
information
5. In a diagram of a landscape plan, the scale is
1 cm = 10 ft. In the diagram, the trees are 3.1
centimeters apart. How far apart should the
actual trees be planted?
A. 3.1 feet
B. 31 feet
C. 310 feet
D. 31 centimeters
ASSIGNMENT
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7-2 p. 444-446
#10-46 even
Be sure to RATE your understanding of the lesson
4-3-2-1-0 after you finish it AND give me 2 complete
sentences as to why you rated yourself that way.

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