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NTSE Sample Paper NTSE SAT Practice Test-15

  • question_answer
    Two circles touch each other externally at C and a common tangent touches them at A and B. Which one of the following is true?

    A) \[CD\bot AB\]                

    B) \[\angle ACB=90{}^\circ \]

    C) AC=BC           

    D) All of these

    Correct Answer: B

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