Answer:
models
Step-by-step explanation:
 
        
             
        
        
        
The answer to the question
 
        
        
        
Answer:
10???
Step-by-step explanation:
 
        
             
        
        
        

Why?
We have the isosceles right triangle. The length of legs are 6. Use the Pythagorean theorem:

In general, the formula for calculating the hypotenuse in an isosceles right triangle is 
a - a leg, h - a hypotenuse