Parallel, Perpendicular, and Skew Lines
Theorems/Postulates
Angle Pairs
Parallel/Perpendicular Equations
Perpendicular Paths
100
Which segment(s) are skew to AE on the diagram below?
What are:
CD, GH, BD, and FH ?
100
Fill in the blank: If two __________ _______ are cut by a transversal, then pairs of corresponding angles are congruent.
What are parallel lines?
100
Name all pairs of angles that are alternate exterior.
What is angle 1 and angle 8?
What is angle 5 and angle 4?
100
Two lines must be parallel if they have the _____ slope.
What is same?
100
What is the shortest segment from P to AC?
What is PB?
200
Name a segment parallel to AE on plane AEF.
What is BF?
200
If two coplanar lines are cut by a transversal so that the pair of alternate interior angles are congruent, then the two lines are parallel.
What is the converse of alternate interior angles theorem?
200
Name all pairs of corresponding angles:
What are angle 1 and angle 3?
What are angle 5 and angle 7?
What are angle 2 and angle 4?
What are angle 6 and angle 8?
200
Find an equation of a line in slope-intercept form that goes through point (2,4) is perpendicular to
y=-x+5
What is
y=x+2
200
x must be greater than...
What is 2?
300
Perpendicular lines form what kind of angles?
What are right angles/90 degree angles ?
300
If two coplanar lines are perpendicular to the same line, then the two lines are parallel to each other.
What is the Converse of Perpendicular Transversal Theorem?
300
Two angles exist in a classified pair. Their sum is 180. What type of pair must they be?
What is supplementary/linear pair/same side interior?
300
Two lines are perpendicular if their slopes are ________ __________ ?
What are opposite/negative reciprocals?
300
Two parallel lines are cut by a transversal. One of the parallel lines is perpendicular to the transversal. What must also be true?
The other parallel line must be ALSO perpendicular to the transversal (perpendicular transversal thm)
400
Name a plane parallel to plane ACE
What is plane BDH/FHD/BFD/FBH?
(order of the letters does not matter)
400
In a coordinate plane, two nonvertical lines are parallel if and only if they have the same slope. Any two vertical lines are parallel.
What is Parallel Lines Theorem?
400
Two angles form a pair and are congruent. They are not corresponding, alternate interior/exterior. What must they be?
What is vertical?
400
The slope of a line is -4. What is the slope of a line perpendicular to this line?
What is
1/4?
400
The perpendicular segment from a line to a point is always the __________ pathway.
What is shortest?