Question

please helpppppppppp​

Answer 1

Step-by-step explanation:

ln triangle OAD&OBC

AD=BC (GIVEN)

<OAD=<OBC (EACH 90°)

<AOD=<BOC ( VERTICAL OPPOSITE ANGLE)

Therefore:

Triangle ODA=OCB (AAS CRITERIA)

OA=OB (CPCT)

SO,CD bisect AB

hope it helps you｡◕‿◕｡

Answer 2

Answer:

I hope you anderstand ...