Mathematics · Geometry - Circles

A cyclic quadrilateral PQRS has its vertices on the circumference of a circle with center O. If the central angle ∠QOS = 30x° and the inscribed angle ∠QRS = 21x°, find the value of x.

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A cyclic quadrilateral PQRS has its vertices on the circumference of a circle with center O. If the central angle ∠QOS = 30x° and the inscribed angle ∠QRS = 21x°, find the value of x.

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A cyclic quadrilateral PQRS has its vertices on the circumference of a circle with center O. If the central angle ∠QOS = 30x° and the inscribed angle ∠QRS = 21x°, find the value of x.

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