Respuesta :

Answer:

B. r = 2

Step-by-step explanation:

First start by getting your formula: [tex]V=\frac{1}{3} \pi r 2h[/tex]

Next plug in what you know:

8[tex]\pi[/tex]= [tex]\frac{1}{3}[/tex][tex]\pi[/tex]r2(6)

Solve for "r":

8[tex]\pi[/tex]=[tex]\frac{1}{3} \pi[/tex]r(12) ---------> divide the pi out and multiply by 3 on both sides to lose the fraction

24=r(12) ---------> divide by 12

2=r