Verified Answer :

TSO

\(\pi (2r)^2 =\boxed{\bf{ 4\pi r^2}}\)

That's because 
\((2r)^2 = 2r \times 2r = 4r^2\)

Your answer is C.

Answer:


Step-by-step explanation:

your answer would be C and just to clarify i did not look at the other one timll after to make sure i was riget and its hard for me to explaine so i couldnt show yoou so sorry

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