Answer: 40 
Step-by-step explanation:
* Hopefully the work below helps:) Mark me the brainliest:)!!
<em>∞ 234483279c20∞</em>
 
        
             
        
        
        
Answer:
-1b-6
Step-by-step explanation:
 
        
             
        
        
        
Answer:
half apart
Step-by-step explanation:
hope it help you
 
        
             
        
        
        
A straight angle is 180 degrees in a right angle is 90 degrees