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Questions and Answers
What are the three forms in which lines in three dimensions are typically written?
Vector, parametric, and symmetric form
What is the distance between skew lines usually referred to as?
Shortest distance
How can the shortest distance between two skew lines be calculated?
By finding the cross-product of the vectors describing the two lines and projecting a line connecting a point on each line onto that vector
What is Gallucci's Theorem?
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How can skewness of two lines in three-dimensional space be tested?
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What are skew lines?
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How can skew lines be identified in three-dimensional figures?
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What are the conditions for skew lines?
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Why do non-parallel lines in two dimensions always intersect?
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What is the mathematical description of skew lines?
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