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goformit100

  • 3 years ago

A surveyor measures the distance across a straight river by the following method: Starting directly across from a tree on the opposite bank, she walks 100 m along the riverbank to establish a baseline. Then she sights across to the tree. The angle from her baseline to the tree is 35.0°. How wide is the river?

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  1. goformit100
    • 3 years ago
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    @Eyad

  2. Eyad
    • 3 years ago
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    WTH ,You copy+paste !!!

  3. Eyad
    • 3 years ago
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    Show your work :P

  4. terenzreignz
    • 3 years ago
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    I will kill myself if I'm ever asked to do this mentally... or maybe I'll kill the instructor :P JK

  5. goformit100
    • 3 years ago
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    @Eyad Sir Sir Vector is among the weakest chapter of mine

  6. Eyad
    • 3 years ago
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    @terenzreignz will do it ?

  7. terenzreignz
    • 3 years ago
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    Who needs vectors? |dw:1367154306851:dw|

  8. goformit100
    • 3 years ago
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    ok

  9. Eyad
    • 3 years ago
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    Use Trig .

  10. terenzreignz
    • 3 years ago
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    The surveyor starts here...|dw:1367154405038:dw|

  11. goformit100
    • 3 years ago
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    ok

  12. terenzreignz
    • 3 years ago
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    Moves 100 metres.... So that the angle to the tree is 35 degrees|dw:1367154463542:dw|

  13. terenzreignz
    • 3 years ago
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    So... finding that question marked value should be a cinch... :)

  14. terenzreignz
    • 3 years ago
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    Still blanked? \[\Large \tan(35^o)=\frac{?}{100}\]

  15. goformit100
    • 3 years ago
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    ok its easy for me now I can do it now :) Thanks

  16. terenzreignz
    • 3 years ago
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    Awesome :)

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