Geometry 8-4 Angles of Elevation and Depression
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by Matthew Richardson
| 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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The outlined content above was added from outside of Formative.
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10 pts
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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10 pts
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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Problem 1 Got It?
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Problem 1 Got It?
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Problem 2 Got It?
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Problem 3 Got It?
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Vocabulary: How is an angle of elevation formed?
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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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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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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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Review Lesson 8-3: Find the value of x. Round to the nearest whole unit. Enter only a number.
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Review Lesson 1-7: Find the distance between the pair of points.
Round your answer to the nearest hundredth.
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Review Lesson 1-7: Find the distance between the pair of points.
Round your answer to the nearest hundredth.
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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.
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Use Your Vocabulary: Complete the sentence with either elevate ,elevated, or elevation. Enter only the word.

John __?__ his feet on a footstool.
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Use Your Vocabulary: Complete the sentence with either elevate ,elevated, or elevation. Enter only the word.

The __?__ of Mt McKinley is 20,320 ft.
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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.
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Reflection: Math Success
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