If angle aod is 135° find angle boc Share with your friends Share 7 Manbar Singh answered this We know that,The opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles atthe centre of the circle.Here the quadrilateral ABCD is circumscribing a circle with the centre at O.Now, using the above theorem, ∠AOD + ∠BOC = 180°⇒135° + ∠BOC = 180°⇒∠BOC =180° - 135°⇒∠BOC = 45° 12 View Full Answer Aman Chaubey answered this 45 degree 3 Prateek Jakhar answered this Option (b) is correct. 2