If ABCD is a cyclic quadrilateral, then ∠A + ∠C =
If ABCD is a cyclic quadrilateral, then ∠A + ∠C =
A) 360°
B) 180°
C) 90°
D) 120°
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If ABCD is a cyclic quadrilateral, then ∠A + ∠C =
A) 360°
B) 180°
C) 90°
D) 120°