7th Class Mathematics Congruence of Triangles Question Bank Congruence of Triangles

  • question_answer
    AB and AC are two chords of a circle with centre O as shown. If \[\Delta AOB\] is congruent to \[\Delta AOC,\] which of the following is correct?

    A)  \[\angle OBA=\angle OCA\]  

    B)  \[\angle AOC=\angle OCA\]

    C)  \[AO=AC\]

    D)  \[AB=OC\]

    Correct Answer: A

    Solution :

      Corresponding angles of congruent figures are equal (proportional). \[\therefore \]   \[\angle OBA=\angle OCA\]


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