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anonymous

  • one year ago

A lamppost, CAB, bent at point A after a storm. The tip of the lamppost touched the ground at point C, as shown below: Triangle ABC has measure of angle C equal to 60 degrees, measure of angle ABC equal to 90 degrees, and length of BC equal to 14 feet. What is the height, in feet, of the portion AB of the lamppost?

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  1. anonymous
    • one year ago
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    start by drawing a picture and labeling what you know.

  2. anonymous
    • one year ago
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    Ok one second

  3. anonymous
    • one year ago
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  4. anonymous
    • one year ago
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    are you studying trig right now?

  5. anonymous
    • one year ago
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    No geometry but we get alot of trig questions

  6. anonymous
    • one year ago
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    do you know your trig functions?

  7. anonymous
    • one year ago
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    I understand i have to use soh cah toa, but i only get one calculation here, and thats the adjacent

  8. anonymous
    • one year ago
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    14 divided by cos 60 degrees 14 tan 60° 14 divided by tan 60 degrees 14 cos 60° these are the options im given.

  9. anonymous
    • one year ago
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    you have enough information to figure out the answer. You have the measure of angle C so use that to your advantage.

  10. anonymous
    • one year ago
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    in relation to angle C you know the adjacent side and you want to know the opposite side. Which trig function relations opposite and adjacent sides?

  11. anonymous
    • one year ago
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    the tangent function

  12. anonymous
    • one year ago
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    so would it be 14 tan 60?

  13. anonymous
    • one year ago
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    perfect, so plug in what you know...you know the angle is 60, you know the adjacent side is 14

  14. anonymous
    • one year ago
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    solve for what you don't know (opposite side)

  15. anonymous
    • one year ago
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    oops, I just saw your answer. Yes, 14 tan 60

  16. anonymous
    • one year ago
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    clear as mud on how we got there?

  17. anonymous
    • one year ago
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    Lol thanks you're a life saver, and mind answering a few more questions? Lol more like clear as glass

  18. anonymous
    • one year ago
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    I have a little bit more time.

  19. anonymous
    • one year ago
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    Ok thanks i'll post in another question so i can medal u again.

  20. anonymous
    • one year ago
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    lol, ok :) I used to teach math but don't anymore so this is actually fun for me.

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