Two orthogonal circles are such that area of one is twice the area of other. If radius of smaller circle is $r$, then distance between their centers will be -
Two orthogonal circles are such that area of one is twice the area of other. If radius of smaller circle is $r$, then distance between their centers will be -
- A
$\sqrt 3 r$
- B
$2r$
- C
$\sqrt 5 r$
- D
$3r$
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