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

O is the circumcentre of triangleABC and OD bot Bc , prove that angleBOD = angleBAC .

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

If O is the circumcentre of a triangleABC, OD bot BC , prove that angleBOD = angleA

If O is the circumcentre of DeltaABC and OD bot BC, then angleBOD must be equal to

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

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^@ .

If O is a circumcentre of DeltaABC and OD_|_BC the find angleBOD ?

O is the circumecentre of Delta ABC and D is the mid point of BC. If angle BAC=40^(@) , then find the value of angle BOD .