Answer:
(a)
radius=diameter/2
=21/2=10.5m
(b) 
radius=diameter/2
=3.25/2=1.625mm
I would appreciate if my answer is chosen as a brainliest answer
 
        
             
        
        
        
Answer:
80 feet
Step-by-step explanation:
length of pool = 22    ,  width of pool = 18
feet required for fencing the pool = 2 (l +b)
= 2 ( 22+18)
=2*40
=80feet
 
        
                    
             
        
        
        
Answer:
I believe the answer is 7