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anonymous

  • one year ago

Help!! Find s

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  1. anonymous
    • one year ago
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    k

  2. anonymous
    • one year ago
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    |dw:1434719426252:dw|

  3. hartnn
    • one year ago
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    do you know about sine rule in triangles?

  4. anonymous
    • one year ago
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    No is that where you cross multiply? @hartnn

  5. hartnn
    • one year ago
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    have a look! https://www.mathsisfun.com/algebra/trig-sine-law.html

  6. hartnn
    • one year ago
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    |dw:1434719983876:dw| \(\Large \dfrac{s}{\sin S} = \dfrac{t}{\sin T}\) and onl the value of s is unknown!

  7. anonymous
    • one year ago
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    \[s/\sin (20) = 20/\sin (100)\]

  8. anonymous
    • one year ago
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    @hartnn is that correct?

  9. hartnn
    • one year ago
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    yes! now just calculate the values..

  10. hartnn
    • one year ago
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    multiply sin 20 s= 20 sin 20/ sin 100

  11. anonymous
    • one year ago
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    I got 6.94ft. @hartnn

  12. hartnn
    • one year ago
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    thats correct :) are the other values in ft??

  13. hartnn
    • one year ago
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    if yes, then 6.94 ft is correct. otherwise only 6.94 :)

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