In the given figure O is the Incentre for triangle ABC. Find ∠BOC if ∠BAC=40∘?
O is the circumcentre of △ABC. If ∠BOC=120∘, then ∠BAC=
O is the orthocentre of △ABC. If ∠BAC=70∘, then ∠BOC=
In the figure, P is hte centre of an excircle of ▲ ABC. If ∠ABC=40° and ∠BAC=80°, find the angle measure of triangle APC.
In the given figure, AB = AC. OB and OC bisect ∠ABC and ∠ACB respectively. If ∠BAC=40∘, then ∠BOC= ___