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    plz help me with this ..

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    Hi saravanr

    We are not allowed to give explicit help... just kind of promptings ?

    For this one you could make the shape into a cyclic quadrilateral ...
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    Can you show that y=2t and x=2z? THis is teh way I did it. Have a go and post what you can do.
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    But how is y=2t and x=2z ?
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    (Original post by saravananr)
    But how is y=2t and x=2z ?
    I'll get you started.

    Think about angle OCA, if you knew that in terms of t then you could find y in terms of t. Also you know that triangle OBC is isosolees (no idea how to spell that, sorry). Additionally the angles in a triangle add up to 180. Can you use that to find angle OCA in terms of t?
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    (Original post by james22)
    isosolees (no idea how to spell that, sorry
    Isosceles.
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    thankyou very much .
    I have finally found it
 
 
 
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