Answer: c
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
A. Triangle B
Step-by-step explanation:
Obtuse angles are greater than 90°, but less than 180°.
I am joyous to assist you anytime. 
 
        
             
        
        
        
Answer:
4
Step-by-step explanation:
Diameter is equal to 2r
so,
8÷2=4
 
        
                    
             
        
        
        
Answer:
% of workers walk
10%
% of workers bike=
25%
% of workers carpool
15%
% of workers drive alone=
50%
Step-by-step explanation:
if you divide them you get the answer
like ex 
2/20 is actually 2÷20 so you get 0.10 which is 10%
and if you add them all they equal to a 100 percent