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anonymous

  • 4 years ago

2. solve the triangle below by finding all missing sides and or angles part1: find the length of side AC. round your answer to nearest hundreths part2: find the measure of angle C part3: find the measure of angle A using any method

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  1. anonymous
    • 4 years ago
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    |dw:1328567428184:dw|

  2. anonymous
    • 4 years ago
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    Use the law of cosines

  3. anonymous
    • 4 years ago
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    AC^2=AB^2+BC^2-2*BC*AB*cos(B)

  4. anonymous
    • 4 years ago
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    You can then use the law of sines to solve the rest of it

  5. dumbcow
    • 4 years ago
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    yes use law of cosines to find AC then using law of sines sin(C)/10 = sin(110)/AC

  6. anonymous
    • 4 years ago
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    how do i find the AC BC AB in order to use the formula tho?

  7. anonymous
    • 4 years ago
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    ???

  8. dumbcow
    • 4 years ago
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    AB = 10 BC = 8 angle B = 110

  9. anonymous
    • 4 years ago
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    well duh tdiaz100, lol okay let me solve it

  10. dumbcow
    • 4 years ago
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    haha ok:)

  11. anonymous
    • 4 years ago
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    323.84

  12. anonymous
    • 4 years ago
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    ????

  13. dumbcow
    • 4 years ago
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    for AC, no

  14. anonymous
    • 4 years ago
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    ok i know question 2 and 3 is 35 degrees

  15. anonymous
    • 4 years ago
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    Take the square root

  16. dumbcow
    • 4 years ago
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    it has to be less than 18

  17. anonymous
    • 4 years ago
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    17.99

  18. anonymous
    • 4 years ago
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    i round to the nearest hundreths would it be 20?

  19. dumbcow
    • 4 years ago
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    something went wrong =100+64-2(80)cos(110)

  20. anonymous
    • 4 years ago
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    were the 80 came from?

  21. dumbcow
    • 4 years ago
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    10*8

  22. anonymous
    • 4 years ago
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    same thing 17.99

  23. anonymous
    • 4 years ago
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    14.79

  24. dumbcow
    • 4 years ago
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    no that would mean the angle is like 179 degrees

  25. anonymous
    • 4 years ago
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    is your calculator in degree mode?

  26. dumbcow
    • 4 years ago
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    haha yeah thats what it is

  27. anonymous
    • 4 years ago
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    yes it was

  28. anonymous
    • 4 years ago
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    If i put mine in radian mode, i get 17.9956. in degree mode, i get 14.7893

  29. anonymous
    • 4 years ago
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    the nearest hundeths is 14.89 right?

  30. anonymous
    • 4 years ago
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    yep

  31. anonymous
    • 4 years ago
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    nt 79

  32. anonymous
    • 4 years ago
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    14.79*

  33. anonymous
    • 4 years ago
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    yes 14.79 srry

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