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anonymous

  • one year ago

Help me start this out please. I need to find the measure of x. Will medal as I always do :)

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  1. anonymous
    • one year ago
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    it is a right triangle, such as this one. On side B is 12. On side C is 12. X is between the two.

  2. anonymous
    • one year ago
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    On side c is 13 My bad

  3. anonymous
    • one year ago
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    @Luigi0210 May you be able to help me? :)

  4. Luigi0210
    • one year ago
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    So it's this? |dw:1433441809145:dw|

  5. anonymous
    • one year ago
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    Yes!! Without the a

  6. Luigi0210
    • one year ago
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    Okayyyy, if you know your triangles, you should know that 5-12-13 is a special triangle like 3-4-5. So we can just replace a with 5. In order to find x, we could do either the sine, cosine, or tangent, your choice since we have all the sides.

  7. anonymous
    • one year ago
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    Im going to go with tan

  8. Luigi0210
    • one year ago
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    Alright! So tangent is: \(\large \tan\theta=\frac{opposite}{adjacent} \) So for your triangle: |dw:1433442229985:dw| So \(\large \tan x=\frac{5}{12} \) Make sense?

  9. Luigi0210
    • one year ago
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    In order to get the angle for x, just take the inverse tangent: \(\large x=\tan^{-1}(5/12)\) Plug that into a calculator and you'll get the angle degree of x :)

  10. anonymous
    • one year ago
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    im sorry i didnt respond fast enough but thank you for helping me!

  11. anonymous
    • one year ago
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    22.61 or rounded 22.62 Thank you <3 I got the answer :D

  12. Luigi0210
    • one year ago
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    It's alright, and yes, nice job :) You're welcome!

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