8-4 Similarity in Right Triangles

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Transcript 8-4 Similarity in Right Triangles

7-4 Similarity in Right
Triangles
Students will use the special case of drawing an
altitude in right triangles to find similar triangles.
They will also define and make explicit use of the
term “geometric mean” based on this altitude.
7-4 Quiz
• The following questions are designed for you
to decide how well you understood today’s
lesson.
• Please ask for help if you miss one.
• Record the number you get right on your
portfolio sheet.
1. Find the geometric mean of the pair of numbers.
175 and 7
A.
B.
C.
D.
55
45
35
40
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2. Find the geometric mean of the pair of numbers.
5 and 6
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3. Find the length of the altitude drawn to the
hypotenuse. The triangle is not drawn to scale.
5
26
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4. Solve for x.
x
7
13
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5. What are the values of a and b?
)
16
a
4
)
b
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ASSIGNMENT
7-4 p. 465-466
# 10-42 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.