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1. What will be the number of unit squares on each side of a square graph paper if the total number of unit squares is \(256\)?
 
The unit squares on each side of a square graph paper is .
 
 
2. The dimensions of a rectangular field are \(80m\) and \(18m\). Find the length of its diagonal.
 
The length of diagonal of a rectangular field is \(m\).