Pyramid A is a square pyramid with a base side length of 18 inches and a height of 9 inches. Pyramid B has a volume of 3,136 cub ic inches. How many times bigger is the volume of pyramid B than pyramid A? Give your answer as a percentage. Provide an explanation and proof for your answer to receive full credit.
       
      
                
     
    
    
    
    2  answers:
            
              
The Volume  of Pyramid B  is <u><em>222.6% bigger</em></u> than the volume  of Pyramid A .
<em><u>Recall:</u></em>
The volume  of a square pyramid  is given as:  Where, a = base edge; h = height  
<u><em>Thus:</em></u>
Given that Pyramid  A has: a = 18 inches; h = 9 inches
Volume  = 
Volume  of Pyramid  A = 972 in.³ 
Volume  of Pyramid  B = 3,136 in.³ 
Difference in Volume  of both pyramids  = 3,136 in.³ - 972 in.³ = 2,164 
This means that:  
Learn more about volume of pyramid  here:
brainly.com/question/14332950 
 
                                
             
                    
              
Answer: 
the volume if a square pyramid is V=a2 h/3               ( A = base edge, H = height)
The pyramid has 18 inch of base side length and 9 inches in height. 
thus V = 182  (9/3)
V= 324(3)
V= 972
Volume of pyramid B: 3,136.
3,136 - 972 = 2,164
To find the percentage of these numbers, we must divide them into each other and then multiple them by 100.
2,164/ 972  x 100 
2.22633744856 x 100 
= 222.633744856
Pyramid A is 222.6% bigger than pyramid A
Step-by-step explanation: 
 
                                
             
         	
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