-7-13k would be the answer
        
             
        
        
        
Sqrt of 56 is about 7.5
So 6 would be in the first blank and 8 would be in the second blank. 
6,7,8 are consecutive
        
                    
             
        
        
        
<h2>Answer:  A trapezoid with bases of 6 mm and 14 mm and a height of 8 mm </h2>
The parallelogram in the figure has an area of  , according to the following formula, which works for all rectangles and parallelograms:
, according to the following formula, which works for all rectangles and parallelograms:
 (1)
   (1)
Where  is the base and
 is the base and  is the height
 is the height
The<u> area of a triangle</u> is given by the following formula:
 (2)
   (2)
So, for option A:
 
    
Now, the <u>area of a trapezoid </u>is:
 (3)
   (3)
For option B:
 
    
For option C:
 >>>>This is the correct option!
>>>>This is the correct option!
For option D:
 
    
<h2>Therefore the correct option is C</h2>
 
        
        
        
Answer:
35.1 and 276.48
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
10
Step-by-step explanation:
I assume it's a rectangle, therefore:
P = 50
a = 15 ft
b = ?
P = 2a + 2b
50 = 2 * 15 + 2b
50 = 30 + 2b
2b = 50 - 30
2b = 20
b = 10