Luan stores coffee beans in a steel container with a capacity of 323.4 cubic inches. He uses a glass container to store sugar. The two containers are congruent cylinders.

If the glass container has a height of 8.4 inches, what is its radius?

Question

Luan stores coffee beans in a steel container with a capacity of 323.4 cubic inches. He uses a glass container to store sugar. The two containers are congruent cylinders. 
  
If the glass container has a height of 8.4 inches, what is its radius?

anonymous · Answer

3.5 inches 

 4.2 inches 

 1.2 inches 

 6.2 inches

anonymous · Answer

@AccessDenied @Directrix

directrix · Answer

The volume of a right circular cylinder is V = pi r^2 h.
323.4 = pi * r^2 * 8.4
38.5 = pi * r^2
12.262 = r^2
r =  3.50

anonymous · Answer

I understand now @Directrix YUR THE BEST