In the given figure, PQRS is a rectangle...

In the given figure, PQRS is a rectangle and a semicircle with SR as diameter is drawn. A circle is drawn as shown in the figure. If `QR = 7 cm`, then what is the radius (in cm.) of the small circle?

A

`21 + 14sqrt(2)`

B

`21 - 14sqrt(21)`

C

Both `21 + 14sqrt(2)` and `21 - 14sqrt(2)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:

B

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