7-4 Similarity in Right 7-4 Similarity in Right TrianglesTriangles

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 Quiz7-4 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. 55B. 45C. 35D. 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.

7 13

x

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5. What are the values of a and b? )

)

16

a 4

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ASSIGNMENTASSIGNMENT7-4 p. 465-466 7-4 p. 465-466 # 10-42 even# 10-42 even

Be sure to RATE your understanding of the Be sure to RATE your understanding of the lesson 4-3-2-1-0 after you finish it lesson 4-3-2-1-0 after you finish it ANDAND give me give me

2 complete sentences as to why you rated 2 complete sentences as to why you rated yourself that way.yourself that way.