Relax

Respuesta :

Answer:

3.39

Step-by-step explanation:

Using the formulas

A=πr^2

d=2r

Solving for d

[tex]d = 2 \sqrt[2]{ \frac{a}{\pi} } = 2( \sqrt{ \frac{9}{\pi} } )[/tex]

π≈3.38514