I think the answer is D, I've been told it's D by many people.
        
                    
             
        
        
        
It’s Seven Hundred Thirteen point forty-nine
        
             
        
        
        
Answer:


Step-by-step explanation:
Given: See Attachment
Required
Determine the length of the legs
To do this, we apply Pythagoras theorem.

In this case:

Open Bracket



Collect Like Terms


Solving using quadratic formula:

So:
 or
 or 
Since, x can't be negative, then:

One of the leg is:






 
        
             
        
        
        
Answer:
So i say C
Step-by-step explanation:
240 = area 
 
        
             
        
        
        
Quadratic is like a parabola.
Linear is a straight line.
Exponential is like half of a parabola, but increases much faster.
A line is a line.