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PQRS is a cyclic quadrilateral in which ...

PQRS is a cyclic quadrilateral in which PQ= x cm, QR= 16.8 cm, RS= 14 cm and PS= 25.2 cm and PR bisects QS. What is the value of x?
PQRS एक चक्रीय चतुर्भुज है जिसमें PQ = x सेमी, QR = 16.8 सेमी तथा RS = 14 सेमी एवं PS = 25.2 सेमी है | PR, QS को समद्विभाजित करता है | x का मान कितना है ?

A

18

B

21

C

28

D

24

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