146 area of trapazoid 90
 area of triangle 56
        
             
        
        
        
Answer:
x = 34
Step-by-step explanation:
The angles x + 12, 100, and x add up to a straight angle, so the sum of their measures is 180°. 
(x + 12) + (100) + (x) = 180
x + 12 + 100 + x = 180
2x + 112 = 180
2x = 68
x = 34
 
        
             
        
        
        
Answer:
Step-by-step explanation:
options?
 
        
             
        
        
        
The answer would be 102 <span>÷ 34 = 3</span>