In the given figure, ABCD is 4 quadrilateral and\[{{120}^{o}}\]then \[{{240}^{o}}\].
A) In a cyclic quadrilateral, sum of opposite angles is complementary.
B) In a cyclic quadrilateral, opposite angles are equal.
C) Sum of adjecent angles in a cyclic quadrilateral is supplementary.
D) Sum of opposite angles is supplementary in a cyclic quadrilateral.
Correct Answer: D
Solution :
\[\angle DAC={{54}^{o}}\] \[\angle ACB={{63}^{o}}\]
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