Respuesta :

Answer:

5.09

Step-by-step explanation:

A=C squared/4π

8/4π=5.09

Answer:

16/π or 5.09

Step-by-step explanation:

since circumference is πd, 8/π is the diameter, and 4/π is the radius.

To get the area use (4/π)²·π

(4²/π²)·π

(16/π²)·π

16π/π²

factor out π from both the numerator and the denominator.

16/π