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Last edited by mr fantastic; Aug 19th 2011 at 02:00 PM. Reason: Re-titled.
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what have you tried?
I have tried both the first is 15/4? the second one is 270?
Originally Posted by zokura I have tried both the first is 15/4? No. The first is $\displaystyle 3(X+3)=4(4+5)$ That is the secant/chord theorem.
So x =9? for #1 Thank you. Is number 2 correct?
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