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Geometry 8-4 Complete Lesson: Angles of Elevation and Depression

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Last updated almost 4 years ago
23 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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Question 1
1.

Solve It! You are on the lighting crew for the school musical. You hang a set of lights 25 ft above the stage. For one song, the female lead is on stage alone and you want all the lights on her. If she stands in the middle of the stage as shown, at what angle from horizontal should you set lamps A and B? Round to the nearest degree. Enter only a number.

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Question 2
2.

Solve It! Describe how each angle changes if you set the lamps for her to stand a few feet closer to the tree.

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Question 3
3.

Problem 1 Got It?

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Question 4
4.

Problem 1 Got It?

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Question 5
5.

Problem 2 Got It?

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Question 6
6.

Problem 3 Got It?

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Question 7
7.
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Question 8
8.
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Question 9
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Question 10
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Question 11
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Question 12
12.

Vocabulary: How is an angle of elevation formed?

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Question 13
13.

Error Analysis: A homework question says that the angle of depression from the bottom of a house window to a ball on the ground is 20°. Your friend created this sketch of the situation. Describe your friend's error.

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Question 14
14.

Review Lesson 8-3: Find the value of x. Round to the nearest whole unit. Enter the number and unit using the abbreviation shown in the diagram.

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Question 15
15.

Review Lesson 8-3: Find the value of x. Round to the nearest whole unit. Enter the number and unit using the abbreviation shown in the diagram.

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Question 16
16.

Review Lesson 8-3: Find the value of x. Round to the nearest whole unit. Enter only a number.

Question 17
17.

Review Lesson 1-7: Find the distance between the pair of points.
Round your answer to the nearest hundredth.

Question 18
18.

Review Lesson 1-7: Find the distance between the pair of points.
Round your answer to the nearest hundredth.

Question 19
19.

Vocabulary Review: Complete each statement with an item from the list.

  • greater
  • less
  • 45
  • 90
  • 180
  • parallel
  • perpendicular
  • The measure of a right angle is __?__ than the measure of an obtuse angle.
  • A right angle has a measure of __?__ degrees.
  • Lines that intersect to form right angles are __?__ lines.
Question 20
20.

Use Your Vocabulary: Complete the sentence with either elevate ,elevated, or elevation. Enter only the word.

John __?__ his feet on a footstool.

Question 21
21.

Use Your Vocabulary: Complete the sentence with either elevate ,elevated, or elevation. Enter only the word.

The __?__ of Mt McKinley is 20,320 ft.

Question 22
22.

Use Your Vocabulary: Complete the sentence with either elevate ,elevated, or elevation. Enter only the word.

You __?__ an object by raising it to a higher position.

Question 23
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Reflection: Math Success