question_answer

The maximum length of a pencil that can be kept in a rectangular box of dimensions \[8\text{ }cm\times 6\text{ }cm\times 2\text{ }cm,\]is ______.

A) \[2\sqrt{13}cm\]            

B) \[2\sqrt{14}cm\]

C)        \[2\sqrt{26}cm\]

D)        \[10\sqrt{2}cm\]