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Desireegb

  • 2 years ago

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.

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  1. sauravshakya
    • 2 years ago
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    do u know that they are similar triangles

  2. Desireegb
    • 2 years ago
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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..

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

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

  5. godorovg
    • 2 years ago
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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.

  6. godorovg
    • 2 years ago
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    hey you here or what??

  7. godorovg
    • 2 years ago
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    okay when ready plz reply .

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

  9. godorovg
    • 2 years ago
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    hey want some help??

  10. Desireegb
    • 2 years ago
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    yes lolz we seem to be missing each other lol

  11. godorovg
    • 2 years ago
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    tag your it lol

  12. Desireegb
    • 2 years ago
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    lolz okay :P we finally caught up huh

  13. godorovg
    • 2 years ago
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    cheer cheer clap!! :)

  14. Desireegb
    • 2 years ago
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    so can u help me please? lol

  15. godorovg
    • 2 years ago
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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.

  16. godorovg
    • 2 years ago
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    for this problem.

  17. godorovg
    • 2 years ago
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    this is trig right??

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

  19. godorovg
    • 2 years ago
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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

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

  21. godorovg
    • 2 years ago
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    yes sin would be a good choice in this case.

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

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

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

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

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

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

  28. godorovg
    • 2 years ago
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    the c=a times b is right

  29. godorovg
    • 2 years ago
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    did you get it?

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

  31. godorovg
    • 2 years ago
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    welcome any questions or are you fine now?

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

  33. godorovg
    • 2 years ago
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    great have a great night :)

  34. Desireegb
    • 2 years ago
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    u too

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