the 9th term for 4,10,16,12 is add 6
 
        
             
        
        
        
Answer:
Part 1) The perimeter is  
Part 2) The diagonal is 
Step-by-step explanation:
<u><em>The question in English is</em></u>
You have a rectangle whose base is twice the height and its area is 12
square centimeters. Calculate the perimeter of the rectangle and its diagonal
step 1
Find the dimensions of rectangle
we know that
The area of rectangle is equal to


so
 ----> equation A
The base is twice the height
so
 ----> equation B
substitute equation B in equation A

Find the value of b

step 2
Find the perimeter of rectangle 
The perimeter is given by

substitute

step 3
Find the diagonal of rectangle
Applying the Pythagorean Theorem

substitute



 
        
             
        
        
        
Answer:
1
Step-by-step explanation:
-2 + (-4) = -6 + 7 = 1
evaluate = solve
 
        
                    
             
        
        
        
COB and COD complementary 
AOB and BOC adjacent angle that is neither comp. or supp.
AOC and COD supplementary
AOE and COD vertical
        
             
        
        
        
Answer:
x = 5.14
Step-by-step explanation:
 Both angles are equal so
5x-6 = 11x-42
42-6 = 11x - 5x
36 = 7x
x = 5.14