Answer: The second choice.
Explanation:
The answer is the second choice.
Using the formula:

Which is, 3.14 x 2^2 (radius is half of diameter)
Which equals 12.56.
Answer:
Well a lot of people can be adictic to technology and it can be bad to health . people considered technology as something to entertain their self but it can be dangerous if you used it too often it can make you less useless in real life .