Unformatted text preview: view of the plane i. This line is always TL 3) Line to Line (line connecting the two lines that is perpendicular to both) a. Construct a point view of either line b. Construct a line from the point to the other line that intersects at a 90 degree angle c. This line is TL Note: 1) Only one of two lines has to be TL to know if they perpendicular. If angle between them is 90 degrees in any view that has one TL line, they are perpendicular....
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 Fall '07
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 Euclidean geometry

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