Here you go.................
 
        
        
        
Answer:
Well t find the area of a triangle, you need to multiple Base x height. That gives you 43.56. Now you divide by 2. So the end product will give you 21.78. Those same rules apply to every time you are finding the area of a triangle.
Step-by-step explanation:
 
        
                    
             
        
        
        
The Greatest Common Factor (GCF) of 189 and 200 is 1.