It would be simple division 5/3 = 1.66.
        
             
        
        
        
Answer:
diameter = 18 m
Step-by-step explanation:
46.26 = 1/2π(diameter) + diameter
46.26 = 1.57d + d = 2.57d
d = 46.26/2.57 = 18 m
 
        
             
        
        
        
Answer:
1.Conduction
2.the second one
sorry if these are wrong
Step-by-step explanation:
 
        
                    
             
        
        
        
perimeter = Answer:
Step-by-step explanation:
5. Perimeter of semi circle = r(pi+2)
 Given diameter=17m; r=17/2
Perimeter = (17/2)(pi+2)
6. Given diameter = 10.5
Perimeter = (10.5/2)(pi+2)