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Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 10 - Circles > 6. 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.

6. 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.

∠ BAC is 30° 6. ABCD is a cyclic quadrilateral whose diagonals intersect at a point E. If ∠ DBC = 70° find ∠ BCD. Further find ∠ ECD. if AB = BC