The Dilation is an enlargement 
 
        
                    
             
        
        
        
The quadrilateral that best describes the picture is a square
        
             
        
        
        
Answer:
343½ = 7 x 7½
Step-by-step explanation:
Step 1: List Factors. List the factors of 343 like so:
Step 2: Find Perfect Squares. Identify the perfect squares* from the list of factors above:
Step 3: Divide. ...
343 / 49 = 7.
Step 4: Calculate.
Step 5: Get Answer.
 
        
                    
             
        
        
        
Area from t= 0 to t = 6:
A = b*h/2
Where: 
b= 6
h = 9
A = 9*6/2 = 27
Area from t=6 to t=10
A= w*h
Where:
w = 4
h = 9
A = 4*9 = 36
The total area is:
Area total = Total displacement = 27 + 36 = 63m