Answer:
b
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Im pretty sure A
Step-by-step explanation:
multiply both sides by 3/4 (reciprocal)
3/4X=pie(r)cubed
divide by pi on both sides
3/4X
-------- = r(cubed)
pi
 cube root both sides
 
        
             
        
        
        
Last angle is 122 if its a triangle 
        
             
        
        
        
56 dived by 2 equals 28. 28=green ribbon. Brown ribbon is 4 times as long. 28 times 4 equals 112. The brown ribbon is 112 cm long.