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Desireegb

At the bank of a river, by measurement, a = 18 ft. b = 30 ft. c = 24 ft. d = 14 ft. How long is x? How long is y? Angle --> https://media.glynlyon.com/a_matgeo_2011/5/group123.gif The answer should be to the nearest tenth or as a fraction. x = ? ft. y = ? ft.

  • one year ago
  • one year ago

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  1. sauravshakya
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    do u know that they are similar triangles

    • one year ago
  2. Desireegb
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    well, yes but im not sure how to set up the problem with the triangles... im pretty slow-minded when it comes to math..

    • one year ago
  3. godorovg
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    all similar triangles have angles that 180 degrees when added to together.

    • one year ago
  4. godorovg
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    now in the problem let's take this on triangle at time, let's start with first one

    • one year ago
  5. godorovg
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    let's do the first triangle, in the first triangle we a right angle which is 90 degrees, now given the info from the problem we can now solve this by thinking about sin, cos , tan here.

    • one year ago
  6. godorovg
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    hey you here or what??

    • one year ago
  7. godorovg
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    okay when ready plz reply .

    • one year ago
  8. Desireegb
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    lol im sorry i was at an appt haha i just got back

    • one year ago
  9. godorovg
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    hey want some help??

    • one year ago
  10. Desireegb
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    yes lolz we seem to be missing each other lol

    • one year ago
  11. godorovg
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    tag your it lol

    • one year ago
  12. Desireegb
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    lolz okay :P we finally caught up huh

    • one year ago
  13. godorovg
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    cheer cheer clap!! :)

    • one year ago
  14. Desireegb
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    so can u help me please? lol

    • one year ago
  15. godorovg
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    yes I can I want to know what you know already, this is so I don't repeat stuff that you can already.

    • one year ago
  16. godorovg
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    for this problem.

    • one year ago
  17. godorovg
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    this is trig right??

    • one year ago
  18. Desireegb
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    yes sorry my connection sucks so it takes forever to reply

    • one year ago
  19. godorovg
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    okay no prob. you have all you need to do this problem, notice on the choices give they refer to to the triangles listed on the picture so now what we have to is look at if we use sin,cos or tan in these cases to solve

    • one year ago
  20. Desireegb
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    so should i use the sine table for this problem?

    • one year ago
  21. godorovg
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    yes sin would be a good choice in this case.

    • one year ago
  22. Desireegb
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    k i have a chart... https://media.glynlyon.com/a_matgeo_2011/5/groupi94.gif

    • one year ago
  23. Desireegb
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    so should i look for the tan numbers for each other numbers given

    • one year ago
  24. godorovg
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    you can but in keep in mind what you are being asked for here.

    • one year ago
  25. godorovg
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    do the top first triangle only, than we will worry about the bottom within this problem

    • one year ago
  26. Desireegb
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    i forgot about the angle.. that kinda looks like c = a * b

    • one year ago
  27. godorovg
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    because we similar triangle here what do we know already about this?

    • one year ago
  28. godorovg
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    the c=a times b is right

    • one year ago
  29. godorovg
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    did you get it?

    • one year ago
  30. Desireegb
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    i hate this computer -.- yes i got it thanks :)

    • one year ago
  31. godorovg
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    welcome any questions or are you fine now?

    • one year ago
  32. Desireegb
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    i think i got it for now lolz thanks a bunch :D

    • one year ago
  33. godorovg
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    great have a great night :)

    • one year ago
  34. Desireegb
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    u too

    • one year ago
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