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  1. F

    farngarloc

    Thanks for your help Mark great!
  2. F

    help, help I cannot think!

    :read::read::read: Help me. I feeling useless!! two circles intersect at A and B. The tangent to the first circle at A cuts the second circle and D and the tangent to the second circle at B cuts the first circle at C. Prove that AC and DB are parallel. Thanks for the help!
  3. F

    farngarloc

    two circles intersect at A and B. The tangent to the first circle at A cuts the second circle and D and the tangent to the second circle at B cuts the first circle at C. Prove that AC and DB are parallel. Thanks for the help!
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