ES is half of EF since a chord is bisected by the radius. ES = 10
        
                    
             
        
        
        
Answer:
The new position of the bird is 1 ft below surface of pond.
Step-by-step explanation:
- Position of water bird after 15ft dive:
11-15= -4ft
- Position of water after rising 3 feet:
-4+3= -1ft
Therefor it id 1ft below the surface of the pond
 
        
                    
             
        
        
        
Answer:
The data should be from 1 to 2 with tick marks every 10th
Step-by-step explanation: