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Question
Find the equations of the lines joining the following pairs of vertices and then find the shortest distance between the lines
(i) (0, 0, 0) and (1, 0, 2)
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Solution
The equation of the line passing through the points (0, 0, 0) and (1, 0, 2) is
\[\frac{x - 0}{1 - 0} = \frac{y - 0}{0 - 0} = \frac{z - 0}{2 - 0}\]
\[ = \frac{x}{1} = \frac{y}{0} = \frac{z}{2}\]
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