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Thread: How Far to the Centre

  1. #1
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    How Far to the Centre

    How Far to the Centre-potw-3-3.pngI dont know where to start
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  2. #2
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    Re: How Far to the Centre



    let $SR = RQ = a$

    $a^2+(r+1)^2 = 12^2$

    $a^2+1^2 = r^2$

    solve the system for $r$ ...
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  3. #3
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    Re: How Far to the Centre

    r=8
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