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28 August, 11:37

If a 6-foot tall man casts a 9-foot shadow, what is the approximate measure from the top of his head to the top of his shadow? 10 feet 11 feet 12 feet

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  1. 28 August, 12:32
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    I'd gotten 10.8 feet for the answer using the equation:

    a^2+b^2=c^2

    (a{squared}+b{squared}=c{squared})

    Where 6 is your a variable, 9 is your b variable and you are looking for your c variable (hypotenuse).

    a - 6^2 (6{squared}) or 6x6 giving you 36

    b - 9^2 (9{squared}) or 9x9 giving you 81

    Adding those together you'll have 117.

    117=c^2

    You would have to get rid of the squared sign so you'll find the square root because finding the square root of something is the opposite of squaring it.

    c=10.8 feet (rounding to 11 feet)
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