Answer:
Radius = 504units
Step-by-step explanation:
Angle = 10°
Length of arc = 28π units
L = ∅/360 × 2πr
28π = 10/360 × 2πr
28π = 1/36 × 2πr
2πr = 28π × 36
π cancelled off.......
2r = 28 × 36
r = (28 × 36)/2
r = 28 × 18
r = 504units
 
        
             
        
        
        
Answer:
x=12
Step-by-step explanation:
7+x=2x-5
12=1x
x=12
 
        
             
        
        
        
Answer:
45 %  
Step-by-step explanation:
