If the radius of a circle gets doubled, its diameter gets

doubled

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tripled

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halved

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Remains same

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Solution

The correct option is A
doubled

Let the radius of the circle be $r$

We know that the diameter of a circle is twice its radius.

Hence, Daimeter $= 2 \times r = 2 r$

Now, new radius $= 2 r$

$\Rightarrow$ New diameter $= 2 \times 2 r = 4 r$

Thus, diameter also gets doubled.

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