please answer all the three questions

please answer all the three questions it that AD I

Dear Student.

3) In BAC and DACAB=AD     [Given]BAC=DAC [Given]AC=AC      [Common]Hence by SAS congruency critera BAC and DAC are congruent.By CPCT DCA=BCAHence AC bisects BCD4) In AOC and BODAO=BO     [Given]AOC=BOD   [Vertically opposite angles]CO=DO    [Given]By SAS Congruency critera AOC and BOD are congruent.

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