The area of a circle is measure by 
A=pi(r)^2
So we would do 
Area= pi(4)^
ANSWER
Area=16pi
Area is about=50.24 if using 3.14 as pi
        
             
        
        
        
Answer:the acute angle is the small angle which is less than 90°. I
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
8.75
Step-by-step explanation:
first u will find out how mutch he wants he wants 1/2 so u will divide 2.50 by 2 and get 1.25. then you will do 10.00
                                                  -1.25
                                                 ---------
                                                    8.75
i hope this helps ;)
 
        
                    
             
        
        
        
Answer:
Angle G is 79 degrees
Step-by-step explanation:
They are in the same location on each triangle and have a congruent side.
 
        
             
        
        
        
Answer:
-(2x+1) ,6x-8x=-2x,+1-2=1