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While measuring the length of a sharpened pencil, reading of the scale at one end is 2 \(cm\) and at the other end is 12.1 \(cm\). What is the length of the pencil?
 
[NOTE: Enter the answer up to one decimal place.]
 
Reading at one end \(A\) \(=\)  \(cm\)
 
Reading at the other end \(B\) \(=\)  \(cm\)
 
Correct reading \(=\)
 
The length of the pencil is  \(cm\).