Suppose that there is a right triangle $\triangle ABC$ such that the legs $AB$ and $BC$ have lengths $4\sqrt{2}$ and $2,$ respectively. What is the length of the median $BM$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Suppose that there is a right triangle $\triangle ABC$ such that the legs $AB$ and $BC$ have lengths $4\sqrt{2}$ and $2,$ respectively. What is the length of the median $BM$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
3
Suppose that there is a right triangle $\triangle ABC$ such that the legs $AB$ and $BC$ have lengths $4\sqrt{2}$ and $2,$ respectively. What is the length of the median $BM$?
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