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Math Help - what would i use to solve this problem

  1. #1
    Junior Member allsmiles's Avatar
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    what would i use to solve this problem

    A tree casts a 25 foot shadow. At the same time of day, a 6 foot man standing near the tree casts a 9 foot shadow. What is the approximate height of the tree to the nearest foot?

    i kind of need help solving this problem. would i use the pythagorean theorem to solve this problem?
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  2. #2
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    Quote Originally Posted by allsmiles View Post
    A tree casts a 25 foot shadow. At the same time of day, a 6 foot man standing near the tree casts a 9 foot shadow. What is the approximate height of the tree to the nearest foot?

    i kind of need help solving this problem. would i use the pythagorean theorem to solve this problem?
    use proportions between similar right triangles ...

    let h = height of the tree

     <br />
\frac{h}{25} = \frac{6}{9}<br />

    determine the value of h
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  3. #3
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    Reply

    You can along with trigonometry and geometry with similar triangles.
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