Answer:

Step-by-step explanation:
Let the two numbers be x and y
So we have:

using the elimination method, add the two equations together:

solve for x:

substitute our value for x back into the first equation we made:

therefore,

 
        
             
        
        
        

☆ given that ,
ABCD is a parallelogram
☆ we know that ,
opposite angles of a parallelogram are equal.
Therefore ,


therefore , ∠B = 3x = 3 ( 26° ) = 78°

thus option ( A ) is correct ~
hope helpful~
 
        
                    
             
        
        
        
Answer:
I am telling I am new to this 
 
        
             
        
        
        
Answer: 
1) 121.7
2) 131.8
3) 106.2
4) 88.5
5) 90.3
6) 110.2
Explanation:
Don't worry about the decimals when adding since there all aligned just add like usual, straight through.
        
             
        
        
        
1/2*3*4=6
Explanation: 
The height is 3 cm and the base is 4cm. 
I believe 5 is there to trick you. The bottom Is always the base and the straight line going vertically is always the height. 
1/2*3*4=6