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anonymous

  • one year ago

A satellite is 16,000 miles from the horizon of the Earth. Earths radius is about 4,000 miles. Find the approximate distance the satellite is from the Earths surface

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  1. anonymous
    • one year ago
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    |dw:1434090022233:dw|

  2. anonymous
    • one year ago
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    a) 20,000 b) 19,790 c) 12,492 d) 16,492

  3. anonymous
    • one year ago
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    @ganeshie8

  4. ganeshie8
    • one year ago
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    |dw:1434090773117:dw|

  5. ganeshie8
    • one year ago
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    Let \(BC=x\) use pythagorean theorem

  6. ganeshie8
    • one year ago
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    \[(x+4000)^2=16000^2+4000^2\] solve \(x\)

  7. campbell_st
    • one year ago
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    why not just find BO using pythagoras and then subtract 4000... saves on the quadratic

  8. ganeshie8
    • one year ago
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    wow! thats a better idea but looks my equation is wrong, im getting a weird number

  9. campbell_st
    • one year ago
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    lol... and I hope @rhi.hubach recognizes that the tangent and radius intersect at right angles and BO is a hypotenuse...

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