Respuesta :

blacksteel15

Answer:

Step-by-step explanation:

V = 5*(pi)*r / a^2

V*a^2 = (5*(pi)*r / a^2)*a^2

V*a^2 = 5*(pi)*r

V*a^2 / (5*(pi)) = 5*(pi)*r / (5*(pi))

r = V*a^2 / (5*(pi))

Answer:

Step-by-step explanation:

5πr=V*a²

[tex]r=\frac{Va^2}{5\pi }[/tex]