Answer:
To find the area of a parallelogram, multiply the base by the height.
 The formula is: A = B x H where B is the base, H is the height.
Step-by-step explanation:
 
        
             
        
        
        
1
— l( a+b)
2
It is the area of trapezium
        
             
        
        
        
Answer: 2343
Step-by-step explanation:
 
        
             
        
        
        
All you have to do is x times 42 plus y times 42 and then you have to add the first day on which is 89.This is how it should look (x*42)+(y*42)+89.
        
             
        
        
        
D, 8880 is divisible by both ten and 5.