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Par n Perp Postulate

QuestionAnswer
If a trasversal intersects two parallel lines, then corresponding angles are congruent
If a trasversal intersects two parallel lines, then alternate interior angles are congruent
If a trasversal intersects two parallel lines, then alternate exterior angles are congruent
If a trasversal intersects two parallel lines, then same side interior angles are supplementary
If a trasversal intersects two parallel lines, then same side exterior angles are supplementary
If two lines and a transversal form corresponding angles that are _______________ then the two lines are _______________ congruent; parallel
If two lines and a transversal form alternate interior angles that are _______________ then the two lines are _______________ congruent; parallel
If two lines and a transversal form alternate exterior angles that are _______________ then the two lines are _______________ congruent; parallel
If two lines and a transversal form same side interior angles that are _______________ then the two lines are _______________ supplementary; parallel
If two lines and a transversal form same side exterior angles that are _______________ then the two lines are _______________ supplementary; parallel
If two lines are parallel to the same line then they are... parallel to each other
In a plane, if two lines are perpendicular to the same line, then they are... parallel to each other
In a plane, if a line is perpendicular to one of two parallel lines, then it is... perpendicular to the other
Two lines that are parallel to each other have slopes that are... the same
Two lines that are perpendicular to each other have slopes that are... negative reciprocals
If lines itersect then vertical angles... are congruent
If two angles are supplements of the same angle (or of congruent angles), then the two angles are... congruent
If two angles are complements of the same angle (or of congruent angles), then the two angles are... congruent
If two angles are congruent and supplementary, then each is... a right angle
Created by: falcij