QUESTION :- 
what is the value of x to the nearest whole number?
ANSWER :- 

SO 
the nearest whole number-->
 20.7 --> approximately --> 21 units
 
        
             
        
        
        
9.2195444572928873100022742817628. or square root of 85
        
             
        
        
        
Answer:
To find angle y you subtract the two angles form 180 degrees because it is a straight line. Then you subtract angle y and 72 from 180 because a triangle adds up to 180 degrees and you get angle x.
Hope this helps, ask if you have any more questions!
        
             
        
        
        
Answer:
no 
Step-by-step explanation:
no because its equal to 2x+10
 
        
             
        
        
        
C. The sun of the areas of its exterior surfaces is the correct answer.