Respuesta :

A of a circle=Pi*radius squared

Radius is half of the diameter

2/2=1

Radius=1

1 squared is 1

1*3.14=3.14

3.14 units squared

Answer: 6.28318530718 or 6.28  

Step-by-step explanation:

[tex]2\pi = 6.28[/tex]

* Hopefully this helps:) Mark me the brainliest:)