NCERT Ex 9.3 Q6 - Circles
Question: ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If ∠DBC = 70°, ∠BAC is 30°, find ∠BCD. Further, if AB = BC, find ∠ECD.
Answer: ∠BCD = 80°, ∠ECD = 50°
Full step-by-step NCERT solution with diagrams on Something by Zero.