A carpenter calculates the diagonal of a square wooden board with side length \(12 \ cm\) as \(17 \ cm\). Justify whether the calculated value is accurate to one decimal place. (Use \(\sqrt{2} = 1.414\))
 
Answer:
 
Diagonal of the square wooden board \(=\) \(cm\)
 
, the carpenter's calculated value is to \(1\) decimal point.