In the given figure, PQRS is a square inscribed in a circle of radius 4 cm. PQ is produced till point Y. From Y a tangent is drawn to the circle at point R. What is the length (in cm) of SY? (Given that QR = QY)

In the given figure, PQRS is a square inscribed in a circle of radius

1.	In the given figure, PQRS is a square inscribed in a circle of radius 4 cm. PQ is produced till point Y. From Y a tangent is drawn to the circle at point R. What is the length (in cm) of SY? (Given that QR = QY)
A.	4√10
B.	2√10
C.	6√10
D.	3√5
Answer» B. 2√10

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In the given figure, PQRS is a square inscribed in a circle of radius 4 cm. PQ is produced till point Y. From Y a tangent is drawn to the circle at point R. What is the length (in cm) of SY? (Given that QR = QY)

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