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Chapter 8: Right Triangles and Trigonometry

iman saleh 11 questions

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Questions in this quiz (11)

  1. 1For this question, you ONLY use geometric mean and Pythagorean Theorem. Image for question 1
    1. ATrue
    2. BFalse
  2. 2Given the picture to the left, solve for "x." If needed, solve for the REDUCED RADICAL; if it is a whole number, this is not needed. Image for question 2
    1. A\(x=√32 u\)
    2. B\(x=4√2 u\)
    3. C\(x=4√3 u\)
    4. D\(x=√48 u\)
  3. 3\[m∠A = ?\] Round your answer to the nearest tenths place.Image for question 3
    1. A\[m∠A ≈ 58°\]
    2. B\[m∠A ≈ 59°\]
    3. C\[m∠A ≈ 58.67°\]
    4. D\[m∠A ≈ 0.90°\]
  4. 4What is ∠a known as in this picture? Image for question 4
    1. AAngle of Elevation
    2. BAngle of Depression
    3. CHorizontal Angle
    4. DVertical Angle
  5. 5What is ∠b known as in this picture? Image for question 5
    1. AHorizontal Angle
    2. BAngle of Depression
    3. CVertical Angle
    4. DAngle of Elevation
  6. 6Find x given the information in the picture. Use reduced radicals.Image for question 6
    1. A\[x ≈ 12.65 u\]
    2. B\[x = \frac{4√30}{√3} u\]
    3. C\[x = 4√3 u\]
    4. D\[x = 4√10 u\]
  7. 7Find AC and round to the nearest tenths place.Image for question 7
    1. AAC ≈ 9
    2. BAC ≈ 8.9
    3. CAC ≈ 8.8
    4. DAC ≈ 12
  8. 8Find side c. Round your answer to the nearest hundreds place.Image for question 8
    1. A6.02 units
    2. B6.01 units
    3. C5.76 units
    4. D5.77 units
  9. 9Given that triangle ABC is AB = 13 inches and BC = 12 inches. How many inches is BC if triangle ABC is a right triangle?
    1. A7 inches
    2. B5 inches
    3. C12 inches
    4. D10 inches
  10. 10Olivia is in a lighthouse that is 85 feet tall on top of a cliff. She observes two sailboats due east of the light houses. The angles of depression to the two boats are 33° and 55°. If the cliff stands 110 feet above sea level, find the distance between the two boats. Round to the nearest hundreds place. It would probably help to draw a picture for this word problem.
    1. A126.63 feet
    2. B300.27 feet
    3. C173.64 feet
    4. D163.64 feet

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Description
Learn when to use trigonometry, similar triangles, Pythagorean Theorem, Law of Sines, and Law of Cosines.
Language
English
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