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If ABCD is a cyclic quadrilateral, then ∠A + ∠C = 

A) 360° 

B) 180° 

C) 90° 

D) 120°

2 Answers

+1 vote
by (57.0k points)
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Best answer

Correct option is (B) 180°

If ABCD is a cyclic quadrilateral, then \(\angle A\;\&\;\angle C\) are opposite angle and sum of opposite angles in a cyclic quadrilateral is \(180^\circ.\)

\(\therefore\) \(\angle A+\angle C\) = \(180^\circ\)

+1 vote
by (38.9k points)

Correct option is  B) 180°

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