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Cyclic Quadrilateral

  1. Dec 28, 2011 #1
    1. The problem statement, all variables and given/known data

    I have got a question that might be easy for you. But, not for me.

    I have attached a pic. Please tell me if the quadrilateral inside the circle is a cyclic quadrilateral or not. If it is, then please explain how to prove that it's opposite angles sum up to 180 degrees

    2. Relevant equations

    I believe it won't require any equation.



    3. The attempt at a solution

    No idea !
     

    Attached Files:

  2. jcsd
  3. Dec 28, 2011 #2

    micromass

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    What is the definition of a cyclic quadrilateral??
     
  4. Dec 28, 2011 #3
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