Answer:
the other side would be 15 
Step-by-step explanation:
because 15 is bigger than 12 and the 12 is the bottom line and then the other line going up is 15 so it's equal.
 
        
             
        
        
        
Hey there!! 
The formula for the area of a square -  s² 
where s = side 
s² = 345 
s = √345 
s = 18.57 ft 
Fence shall be three sides 
So 18.57 × 3 
The required answer = 55.71 ft 
Hope my answer helps!
 
        
             
        
        
        
Answer:
a
Step-by-step explanation:
the first box is 2 times as small as the the second
 
        
                    
             
        
        
        
Answer:
6 times 10^3
Step-by-step explanation:
You multiply 3 and 2 together and 10^7 and 10^-4 together. 3x2 is equal to 6 and 10^7 times 10^-4 is the same as 10^7-4 which is equal to 10^3. Therefore, the answer is 6 times 10^3.
If this has helped please mark as brainliest