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Geometry 7-5 Proportions in Triangles

| 26 Questions

Note from the author:

A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.

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1

10 pts

Solve It! An artist uses perspective to draw parallel lampposts along a city street, as shown in the diagram. What is the value of x? Enter only a number rounded to the nearest hundredth. Include a digit in the ones place, a 0 if necessary.

2

10 pts

Solve It! Justify your response to the previous item.

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3

10 pts

Problem 1 Got It?

A

B

C

D

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4

10 pts

Problem 1 Got It?

A

B

C

D

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5

10 pts

Problem 2 Got It?

A

B

C

D

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6

10 pts

Problem 3 Got It?

A

B

C

D

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7

10 pts

A

B

C

D

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8

10 pts

A

B

C

D

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9

10 pts

A

B

C

D

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10

10 pts

A

B

C

D

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11

10 pts

A

B

C

D

12

10 pts

Compare and Contrast: How is the Corollary to the Side-Splitter Theorem related to Theorem 6-7: If three (or more) parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal?

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14

10 pts

Error Analysis: A classmate says your can use the Side-Splitter Theorem to find both x and y in the diagram. Explain what is wrong with your classmate's statement.

Review Lesson 7-4

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15

10 pts

a

b

c

n

m

16

10 pts

17

10 pts

18

10 pts

19

10 pts

Review Lesson 5-3: Find the center of the circle that you can circumscribe about △ABC.

A(0, 0), B(6, 0), C(0, -6)

Enter your response in this format: (-2, 5)

20

10 pts

Review Lesson 5-3: Find the center of the circle that you can circumscribe about △ABC.

A(2, 5), B(-2, 5), C(-2, -1)

Enter your response in this format: (-2, 5)

21

10 pts

Preview Lesson 8-1: Square the lengths. Match each length with its square.

- 144 ft²Answer by dragging items here
- 9 mAnswer by dragging items here
- 16 cm²Answer by dragging items here
- 9 m²Answer by dragging items here
- 144 in.²Answer by dragging items here
- 25 m²Answer by dragging items here

22

15 pts

Vocabulary Review: Complete the items on the canvas.

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23

5 pts

Enter only the word that completes the statement.

24

5 pts

Enter only the word that completes the statement.

25

5 pts

Enter only the word that completes the statement.

26

10 pts

Reflection: Math Success

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