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anonymous

  • one year ago

I am Stuck. Help. MEDAL!!! What is the length of stack H D with bar on top when BH = 20 in., BC = 12 in., and DC = 14 in.? Round your answer to the nearest tenth of an inch. in.

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  1. anonymous
    • one year ago
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    Image

  2. anonymous
    • one year ago
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    anyone

  3. anonymous
    • one year ago
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    @IrishBoy123

  4. anonymous
    • one year ago
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    @Loser66 can you help me.

  5. xapproachesinfinity
    • one year ago
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    just the use of Pythatgorean theorem couple of times

  6. Loser66
    • one year ago
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    @xapproachesinfinity is a perfect guy for this

  7. anonymous
    • one year ago
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    ok

  8. xapproachesinfinity
    • one year ago
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    ok let come from a clearer picture! you recognize HDC is right triangle yes

  9. anonymous
    • one year ago
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    yes

  10. xapproachesinfinity
    • one year ago
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    we are given DC but we need HC to do the so called Pythagoras yes

  11. anonymous
    • one year ago
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    yes

  12. xapproachesinfinity
    • one year ago
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    now what we do is look at the triangle HCB it is also a right triangle and we are given BC and BH so we can find HC

  13. anonymous
    • one year ago
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    ok how?

  14. xapproachesinfinity
    • one year ago
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    so then we have the following:\ HC^2+BC^2=BH^2 HC^2=BH^2-BC^2 HC^2=20^2-12^2

  15. xapproachesinfinity
    • one year ago
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    now tell me what is after you take the square root

  16. xapproachesinfinity
    • one year ago
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    you have a calculator with right

  17. xapproachesinfinity
    • one year ago
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    i got HC=16

  18. anonymous
    • one year ago
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    me too

  19. xapproachesinfinity
    • one year ago
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    now we go back to our first triangle HDC now we have HC=16 and DC=14 we use again that same theorem to find HD HD^2+DC^2=HC^2 HD^2=HC^2-DC^2 HD^2=16^2-14^2

  20. xapproachesinfinity
    • one year ago
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    let see what you got

  21. anonymous
    • one year ago
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    60?

  22. xapproachesinfinity
    • one year ago
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    sqrt of 60 not just 60 because i told you to take square root after that too

  23. xapproachesinfinity
    • one year ago
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    so then HD=7.75 inch

  24. anonymous
    • one year ago
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    is that the answer?

  25. xapproachesinfinity
    • one year ago
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    if we wanted the decimal, well in a way we want the decimal since we measuring length

  26. xapproachesinfinity
    • one year ago
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    yes

  27. anonymous
    • one year ago
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    can you help me with three more?

  28. xapproachesinfinity
    • one year ago
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    let see post in a different section though

  29. anonymous
    • one year ago
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    ok I will tag you.

  30. xapproachesinfinity
    • one year ago
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    ok

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