∠ACE+∠ECD+∠DCB=180∘
∠ACE=180∘−50∘−25∘
∠ACE=180∘−15∘
Find the value of y, when x = 600 in the figure below.
In the given figure, O is the centre of the circumcircle ABC. Tangents at A and C intersect at P. Given angle AOB=140∘ and angle APC=80∘; find the angle BAC.