Answer:
Step-by-step explanation:

it forms a right angled triangle.
ladder=hypotenuse.
side of house=perpendicular.
from the base of house to the foot of ladder on the ground=base
 
        
             
        
        
        
H. 3
if you folded the shape on that line the points would not match up
        
             
        
        
        
You haven't exactly explained what the question is looking for? Do you want an equation written? 
 
        
                    
             
        
        
        
Answer:
4.8 feet
Step-by-step explanation:
a² + b² = c²
a² + 11² = 12²
a² + 121 = 144
a² = 23
a = 
a, or the height of the kite ≈ 4.8
Have a nice day!
      I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
 
        
                    
             
        
        
        
Answer:
aaaaasssdfghhjjkllllllqqqwwweerrrtyuiioppppZxcvbnmdffghjjklqqwertyukl;sdfghj
Step-by-step explanation: