If O is the circumference of a `triangle ABC` and OD perpendicular BC, prove that angle BOD = angle A.

If O is the circumference of a /_ABC and OD perpendicular BC,prove that angle BOD = angle A.

O is the circumcentre of Delta ABC and OD is perpendicular on the side BC, prove that angle BOD= angle BAC

S is the centre of the circumcircle of Delta ABC and if AD bot BC , prove that angle BAD= angle SAC .

O is the circumcentre of Delta ABC and OD bot BC . Prove that angle BOD= angle BAC

If O is the circumcentre of a ABC and OD perp BC, prove that /_BOD=/_A

The circumcentre of the triangle ABC is O . Prove that angle OBC+angle BAC=90^@ .

The circumcentre of the triangle ABC is O . Prove that angle OBC+angle BAC=90^@ .

A triangle ABC is right angled at A. AM is drawn perpendicular to BC. Prove that angleBAM=angleACB