Respuesta :

TSO
[tex]\pi (2r)^2 =\boxed{\bf{ 4\pi r^2}}[/tex]

That's because 
[tex](2r)^2 = 2r \times 2r = 4r^2[/tex]

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