Question

please help
I will mark you as a brainliest ​

Answer 1

1)
AO=BO(CD bisects AB)
Angle AOC=Angle BOD(V.O.A.)
CO=DO(AB bisects CD)

2)
Yes, By SAS congruency rule
AO=BO(CD bisects AB)
Angle AOC=Angle BOD(V.O.A.)
CO=DO(AB bisects CD)

3)
Since, Triangle AOC is congruent to triangle BOD
Angle C = Angle D(C.P.C.T.)