Respuesta :

Answer:

12.57 or 4pi

Step-by-step explanation:

The formula to find the area is pi x r^2.

Answer:

The answer is 4[tex]\pi[/tex]

Step-by-step explanation:

A=[tex]\pi[/tex]r²

A=[tex]\pi[/tex](2)²

A=4[tex]\pi[/tex]