In the given figure, PQRS is a square of side 20 cm and SR i

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In the given figure, PQRS is a square of side 20 cm and SR is extended to point T. If the length of QT is 25 cm, then what is the distance (in cm) between the centres O₁ and O₂ of the two circles?

see image

[SSC CGL Tier-2 20-February-2018 Maths]

A 5√10

B 4√10

C 8√5

D 16√2