Lines, Sums, & Angles

# Lines, Sums, & Angles - College GeometryParallel Lines...

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College Geometry—Parallel Lines, Distances, and Angle Sums About Parallel Lines Parallel lines Straight lines which lie in the same plane and do not intersect however far they are extended. Transversal A line that cuts across two or more lines Interior angles When two parallel lines are cut by a transversal, these are the angles formed between the two lines. Exterior angles When two parallel lines are cut by a transversal, these are the angles formed outside the two lines. Corresponding Angles When two parallel lines are cut by a transversal, these are the angles on the same side of the transversal and on the same side of the lines. (They form a capital F) Alternate Interior Angles When two parallel lines are cut by a transversal, these are the angles between the two lines and on opposite sides of the transversal. (They form a capital Z or N) Principles and Properties of Parallel Lines Through a given point not on a given line, one and only one line can be drawn parallel to a given line. Two lines are parallel if a pair of corresponding angles are congruent.
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## This note was uploaded on 05/12/2011 for the course TED 410 taught by Professor Espisito during the Spring '11 term at CSU Dominguez Hills.

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