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highschoolmom2010

  • 2 years ago

A blimp provides aerial television views of a football game. The television camera sights the stadium at a 7 degree angle of depression. The altitude of the blimp is 400 m. What is the line-of-sight distance from the television camera to the case of the stadium? Round to the nearest hundred meters.

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  1. timo86m
    • 2 years ago
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    |dw:1377820249011:dw| IDK what angle of depression is fill it in the diagram.

  2. timo86m
    • 2 years ago
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    |dw:1377820432735:dw|

  3. timo86m
    • 2 years ago
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    |dw:1377820519249:dw|

  4. timo86m
    • 2 years ago
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    Lets clean it up a bit so we can work on it |dw:1377820572079:dw|

  5. highschoolmom2010
    • 2 years ago
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    ok

  6. timo86m
    • 2 years ago
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    looks like sin is best here sin(7)=opp/hyp=400/x :)

  7. highschoolmom2010
    • 2 years ago
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    x (sin 7)=400\[\frac{ x (\sin 7) }{ \sin 7 }=\frac{ 400 }{ \sin 7 }\]

  8. highschoolmom2010
    • 2 years ago
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    \[x \approx 3282.2\]

  9. timo86m
    • 2 years ago
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    FIrst of all sin 7=0.1218 roughly. SO plug it in 0.1218 =400/x cross multipy x = 3284.07 rounding to nearest hundred metter is x = 3284.07 ^ 3300

  10. highschoolmom2010
    • 2 years ago
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    well was i close enough

  11. timo86m
    • 2 years ago
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    you are correct :D but round

  12. highschoolmom2010
    • 2 years ago
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    cool thanks @timo86m

  13. timo86m
    • 2 years ago
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    You are welcome

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