Geometry

Question Analysis
This is a reverse problem—you’re given the surface area and must work backwards to find the diameter.
The main focus is solving an equation using the surface area formula.

Key Concept Explanation
1. Find the radius using .  
2. Double the radius to get the diameter.  

Step-by-step Solution
1. Given: in²  
2. Solve for :  
 

Click "Show Answer" to reveal the answer and analysis