Answer:
2:5
Step-by-step explanation:
 
        
             
        
        
        
You can try finding numbers that are close to what you think you can use for exaple lets say we want to find the answer to 54x34 you could multiply 50x30 to get an estimated answer
        
             
        
        
        
Answer:
<h2>
         1240.4 mm²</h2>
Step-by-step explanation:

 
        
             
        
        
        
Answer:
2 is the answer
Step-by-step explanation:
its like
(square root 2)^2
{square root and whole square is cancelled and 2 is the answer}