Geometry

Question Analysis:  
This question applies the Pythagorean Theorem () to find the missing side of a right triangle.
The main focus is identifying the hypotenuse (longest side).  

Key Concept Explanation:  
- In a right triangle:  
 - The hypotenuse (longest side) is opposite the 90° angle.  
 - The theorem only holds if sides are correctly assigned.  

Step-by-Step Solution:  
1. Assume is the hypotenuse (since 10 > 8 > 6):  
  - → → → .  
2. Verify other options:  
  - If or ,

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