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 ? _x005F_x000D_

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 ? _x005F_x000D_
A.	4âˆš10
B.	2âˆš10
C.	6âˆš10
D.	3âˆš5
Answer» B. 2âˆš10

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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 ? _x005F_x000D_

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