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Math Help - Circle geometry.

  1. #1
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    Last edited by mr fantastic; August 19th 2011 at 02:00 PM. Reason: Re-titled.
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  2. #2
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    Re: Please help me with these questions? Thanks.

    what have you tried?



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  3. #3
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    Re: Please help me with these questions? Thanks.

    I have tried both the first is 15/4?

    the second one is 270?
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  4. #4
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    Re: Please help me with these questions? Thanks.

    Quote Originally Posted by zokura View Post
    I have tried both the first is 15/4?
    No. The first is 3(X+3)=4(4+5)
    That is the secant/chord theorem.
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  5. #5
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    Re: Please help me with these questions? Thanks.

    So x =9? for #1 Thank you.

    Is number 2 correct?
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