Answer:
One
Step-by-step explanation:
An equilateral triangle has equal side lengths. 
With the given information, you can construct one equilateral triangle, with the sides measuring 7cm each. 
The sides of the equilateral triangle can't be mixed up, they must stay the same. 
Hope this helps. 
 
        
             
        
        
        
Answer:
$10.10
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
82.47
Step-by-step explanation:
area of fountain: 201.06(see photo 1)
area of fountain and walkway:283.53(see photo 2)
area of walkway:82.47(subtract fountain area from fountain and walkway)
 
        
             
        
        
        
The answer i got was A (4,0)
        
             
        
        
        
Answer: 
Step-by-step explanation:
Perimeter is simply length + width. They gave us that the length is 2 feet plus 2 times the width:

Subtract 2 from both sides to get 23 = 2w + w
Combine like terms to get 23 = 3w
Divide by 3 to get  feet
 feet