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anonymous

  • one year ago

A geologist at point A measures the distance and angle of elevation to two columns of the Glen Rose formation in Texas. If the distance AS = 790ft and the distance AN = 883ft, compute the difference in the heights of the two columns to the nearest foot. [A] 1 ft [B] 970 ft [C] 260 ft [D] 118 ft

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  1. anonymous
    • one year ago
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    I am so confused... Idk what to do...

  2. anonymous
    • one year ago
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    Is there a picture that goes with this?

  3. anonymous
    • one year ago
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  4. anonymous
    • one year ago
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    @peachpi

  5. anonymous
    • one year ago
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    @Vocaloid

  6. Vocaloid
    • one year ago
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    sin(49) = length of SB/length of AS sin(54) = length of NC/length of AN

  7. anonymous
    • one year ago
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    oh ok..

  8. anonymous
    • one year ago
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    How would I find the length of SB?

  9. Vocaloid
    • one year ago
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    what is the length of AS?

  10. anonymous
    • one year ago
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    790

  11. Vocaloid
    • one year ago
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    great! so you can use my equation to find the length of SB sin(49) = length of SB/length of AS

  12. Vocaloid
    • one year ago
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    put in the length of AS and solve for SB

  13. anonymous
    • one year ago
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    Ok, let me try.

  14. Vocaloid
    • one year ago
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    make sure your calculator is in degree mode

  15. anonymous
    • one year ago
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    Ok. Would I divide AS by sin(49?

  16. anonymous
    • one year ago
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    How would that work?

  17. Vocaloid
    • one year ago
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    not quite: here's a hint: a = b/c b = c*a

  18. anonymous
    • one year ago
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    ok..

  19. anonymous
    • one year ago
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    596.2?

  20. Vocaloid
    • one year ago
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    great! now do the same thing for the second equation: sin(54) = length of NC/length of AN

  21. anonymous
    • one year ago
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    Sorry I was eating dinner

  22. anonymous
    • one year ago
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    714.3

  23. anonymous
    • one year ago
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    So the answer (final) would be D, correct?

  24. Vocaloid
    • one year ago
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    yup! good work!

  25. anonymous
    • one year ago
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    thank you!

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