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anonymous

  • one year ago

Challenge! Ready? Wayne used the diagram to compute the distance from Ferris, to Dunlap, to Butte. How much shorter is the distance directly from Ferris to Butte than the distance Wayne found? http://assets.openstudy.com/updates/attachments/5123f916e4b086b98ebd7a6e-frogs29-1361312127145-4619582162011123835pm791438685.png

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  1. anonymous
    • one year ago
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    anyone?

  2. ganeshie8
    • one year ago
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    Look at the diagram, what is the distance between Ferris and Butte that is computed by Wayne ?

  3. anonymous
    • one year ago
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    I already have the answer, it is a challenge

  4. ganeshie8
    • one year ago
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    |dw:1437615782686:dw|

  5. ganeshie8
    • one year ago
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    Haha okay, from the diagram it is clear that the distance between Ferris and Bute as computed by Wayne is \(15+20 = 35\tag{1}\)

  6. ganeshie8
    • one year ago
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    If we cut straight across the diagonal, the distance can be computed by using pythagoras theorem : |dw:1437616087487:dw| \[\sqrt{15^2+20^2} = 25\tag{2}\]

  7. ganeshie8
    • one year ago
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    difference is \(35-25 = 10\), so the direct distance is \(10\) miles shorter compared to the distance computed by Wayne.

  8. aric200
    • one year ago
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    ? Um what did I do wrong?

  9. aric200
    • one year ago
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    Why did you reask the question?

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