Math Help Forum: I've got one more problem !!

  1. March 6th, 2010, 06:19 PM #1
    agaurav77
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    Smile I've got one more problem !!

    Please help me someone...

    In the given figure, PQ and RS are two parallel chords of a circle. When produced RP and SQ meet at O, prove that OP = OQ .
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  3. March 7th, 2010, 12:27 AM #2
    Opalg
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    Quote Originally Posted by agaurav77 View Post
    Please help me someone...

    In the given figure, PQ and RS are two parallel chords of a circle. When produced RP and SQ meet at O, prove that OP = OQ .
    Opposite angles in a cyclic quadrilateral add up to 180º. Use this to show that the triangle OPQ is isosceles.
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