Question

Please answer it fast

Answer 1

Answer:

Step-by-step explanation:

As AC is the diameter,

Angle ABC=90°[angle subtended by a dia meter is a right angle]

Angle ABD=45°[BD is angle bisector]

Angle AOD=90°[interception theorem]

Angle AOD+Angle DOC=180°[linear pair]

Angle DOC=90°

Seg OD _|_ Seg AB

Hence proved.

Hope it helps you.