Step-by-step explanation:
The formula for the circumference of a circle is 2*pi*radius
Circumference = 2(3.14)(2.1)
= 13.188cm
 
        
             
        
        
        
Steps:
Answer: 7000 degrees per second
        
                    
             
        
        
        
Since it a is a square and they are equal on all 4 sides. x=4
        
             
        
        
        
Answer:
is the question over??  i cannot see the price
Step-by-step explanation: