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# Geometry Ch 3

### ch 3

Two lines are _____ if and only if they are NONCOPLANAR and do not intersect Skew
Two lines are _____ if and only if they are COPLANAR and do not intersect Parallel
A _____ is a line that intersects 2 or more other coplanar lines at different points Transversal
Through a point not on a line there is exactly one line that is _____ and _____to the given line Parallel and Perpendicular
2 Lines parallel to the same line are _____ to each other Parallel
In a plane, 2 lines perpendicular to the same line are _____ to each other Parallel
Corresponding angles are (Congruent/Supplementary) Congruent
Alternate Interior angles are (Congruent/Supplementary) Congruent
Alternate Exterior angles are (Congruent/Supplementary) Congruent
Consecutive Interior Angles (or same side interior) are (Congruent/Supplementary) Supplementary
Vertical Angles are (Congruent/Supplementary) Congruent
Linear Pairs are (Congruent/Supplementary) Supplementary
What is the slope formula? Y2 - Y1 -------- X2 - X1
Created by: jbjones