Answer:
The solution is correct.
Step-by-step explanation:
Im not sure howto explain it, but i just know that it's a.
 
        
             
        
        
        
Answer:
1560 cubic inches
Step-by-step explanation:
18x20= 360
360x13= 4680
4680/3=1560
 
        
             
        
        
        
Answer:
<h2>
Area of the regular octagon is approximately 102ft²</h2>
Step-by-step explanation:
Given the radius and length of a side of regular octagon as shown;
radius = 6ft and length of side = 4.6ft
Area of a regular octagon is expressed as  where a is the length of one side. Given a = 4.6ft
 where a is the length of one side. Given a = 4.6ft
Area = 

Area of the regular octagon is approximately 102ft²