A = 1/3 * s^2 * h where s is a side of the base and h is the height.
        
                    
             
        
        
        
Between 2 and 3, after the 2 1/4 point, but before the halfway point.
        
             
        
        
        
Answer:
3
Step-by-step explanation:
Skip,Flip,Multiply Method

 
        
                    
             
        
        
        
(42 - 14sqrt2)/5 because rationalizing means getting the root out of the denominator, which is done by multiplying the denominator by a negative or positive root depending on the situation