Geometry

Question Analysis  
This question requires reverse-engineering the radius from a given volume.
The main focus is on correctly applying algebraic steps to solve for .  

Key Concept Explanation  
Starting with , solve for by isolating the variable and using cube roots.  

Step-by-Step Solution  
1. Set up the equation: .  
2. Divide both sides by : .  
3. Multiply both sides by :

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