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Baseballguy101

  • one year ago

Find the measure of angle x. Round your answer to the nearest hundredth.

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  1. Baseballguy101
    • one year ago
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  2. Baseballguy101
    • one year ago
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    i know the missing side is 5 where do i go from there?

  3. MrNood
    • one year ago
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    With respect to angle x, the side labelled 12 is the 'adjacent side the side labelled 13 is the hypotenuse you can use sin, cos or tan to solve questions lik ethis which of those 3 options uses adjacent/hypotenuse?

  4. Baseballguy101
    • one year ago
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    cos

  5. MrNood
    • one year ago
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    ok so write cos x = adj /hyp and put in the numbers

  6. Baseballguy101
    • one year ago
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    so it would be co x = 5/12?

  7. MrNood
    • one year ago
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    no it's adjacent /hyp the side labelled 12 is the 'adjacent side the side labelled 13 is the hypotenuse

  8. Baseballguy101
    • one year ago
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    ooohhh ok so cos x = 12/13

  9. MrNood
    • one year ago
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    correct now use a calculator to get x

  10. Baseballguy101
    • one year ago
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    I know I have to do 13 cos x =12 where do I go now?

  11. MrNood
    • one year ago
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    no you have cos x = 12/13 so work out 12/13 then that number is the value of cos (x) your calculator then will have 'inverse cos' or ' arc cos' or 'cos ^-1' that function is the opposite of finding the cos of an angle - it fids the angle whose cos is 12/13

  12. Baseballguy101
    • one year ago
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    sorry this is the hardest part of geometry for me. I have cos (x) = .923076923076923 so just divide that by arc cos and im done?

  13. MrNood
    • one year ago
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    no - it is not a division the arc cos is a function once you have the number then press arcos DONT forget to round to nearest 100th as asked by question

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  14. MrNood
    • one year ago
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    suppose oyu have a number 60on your calculator when you press the cos button it works out cos 60 (and show 0.5 = cos 60) if you then press ARC cos it will tell you then angle whose cos is 0.5 i.e. 60 arc cos or cos^-1 is the OPPOSITE of finding the cos - it tells oyu the ANGLE

  15. Baseballguy101
    • one year ago
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    i got 22.61 is that correcT?

  16. MrNood
    • one year ago
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    Did you ROUND the answer properly?

  17. Baseballguy101
    • one year ago
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    so 22.60?

  18. MrNood
    • one year ago
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    what was the first 5 numbers in the answer on your calculator

  19. Baseballguy101
    • one year ago
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    22.619

  20. Baseballguy101
    • one year ago
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    i got it now 22.62

  21. MrNood
    • one year ago
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    ok - well done

  22. Baseballguy101
    • one year ago
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    thanks for the help!! I actually understand this now!

  23. MrNood
    • one year ago
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    good - that is MUCH better than just getting ht e answer

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