Which one of the following is a sufficient condition for any quadrilateral to be cyclic?

MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles

Problem

Which one of the following is a sufficient condition for any quadrilateral PQRSPQRS to be cyclic? (a) Adjacent angles are complementary (b) All four sides are equal (c) Opposite angles are supplementary (d) Diagonals are perpendicular

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