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In the figure, ABCD is a cyclic quadrilateral, if ∠ BAD = 110°, then ∠ BCD =

Option: 1

55°


Option: 2

140°


Option: 3

70°


Option: 4

110°


Answers (1)

best_answer

We know that the opposite angles of a cyclic quadrilateral are supplementary

∠ BAD +  ∠ BCD = 180°,

then ∠ BCD = 180° - 110° = 70°

Posted by

mansi

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