Let $A$ and $B$ be two opposite corners of a unit cube, and let $C$ be another vertex of the cube other than $A$ and $B.$  Find the distance from $C$ to line $AB.$
Question:
Let $A$ and $B$ be two opposite corners of a unit cube, and let $C$ be another vertex of the cube other than $A$ and $B.$  Find the distance from $C$ to line $AB.$
Answer:
Let's think step by step.

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\frac{\sqrt{6}}{3}
Let $A$ and $B$ be two opposite corners of a unit cube, and let $C$ be another vertex of the cube other than $A$ and $B.$  Find the distance from $C$ to line $AB.$
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