Geometry

Question Analysis:  
This question involves applying the Pythagorean Theorem to find the hypotenuse of a right triangle when given the lengths of the two legs.  

Key Concept Explanation:  
The Pythagorean Theorem states that in a right triangle:  

where and are the legs, and is the hypotenuse.  

Step-by-Step Solution:  
1. Identify the legs: , .  
2. Plug into the theorem:  
 

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