Answer:
It's surface area is 1257.14cm^2
Step-by-step explanation:
area=22/7×20cm×20cm
 =3.14×20cm×20cm
 =1257.14cm^2
 
        
             
        
        
        
Hey! When you ask a question there is a math equation option. Use that to scan the problem and it will give you your answer.
        
             
        
        
        
Answer:
Step-by-step explanation:
To the evaluate -5.3+7.9
We get
2.6
Therefore the error
=2.6-2.4
=0.2
 
        
                    
             
        
        
        
I don't understand what your point is. Mind posting a picture or something?
        
             
        
        
        
Hello
2x+5=8x
5=6x
x=5/6 
12(5/6)
x=10
Have a nice day