Card 1 of 20
EasyStudy card 1
Prompt
What does \(\ell\parallel m\) mean?
Answer
Lines l and m are coplanar and never intersect.
MathChapter 16: Lines and Angles
Flashcards
Parallel and Perpendicular Lines Flashcards
Twenty concise cards on transversals, angle-pair locations, relationships, and perpendicular transfer.
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Card 1 of 20. Answer hidden.
Card 2 of 20
EasyStudy card 2
Prompt
What does \(t\perp m\) mean?
Answer
Lines t and m intersect at right angles.
Card 3 of 20
EasyStudy card 3
Prompt
What is a transversal?
Answer
A line intersecting two or more lines at distinct points.
Card 4 of 20
EasyStudy card 4
Prompt
What is true about corresponding angles for parallel lines?
Answer
They are congruent.
Card 5 of 20
EasyStudy card 5
Prompt
What is true about alternate interior angles for parallel lines?
Answer
They are congruent.
Card 6 of 20
EasyStudy card 6
Prompt
What is true about alternate exterior angles for parallel lines?
Answer
They are congruent.
Card 7 of 20
EasyStudy card 7
Prompt
What is true about same-side interior angles for parallel lines?
Answer
They are supplementary.
Card 8 of 20
MediumStudy card 8
Prompt
Where are corresponding angles located?
Answer
At matching corners of the two intersections.
Card 9 of 20
MediumStudy card 9
Prompt
Where are alternate interior angles located?
Answer
Between the lines on opposite sides of the transversal.
Card 10 of 20
MediumStudy card 10
Prompt
Where are alternate exterior angles located?
Answer
Outside the lines on opposite sides of the transversal.
Card 11 of 20
MediumStudy card 11
Prompt
Where are same-side interior angles located?
Answer
Between the lines on the same side of the transversal.
Card 12 of 20
MediumStudy card 12
Prompt
Which relationship does not require the two lines to be parallel?
Answer
Vertical angles are congruent.
Card 13 of 20
MediumStudy card 13
Prompt
State the perpendicular-to-parallel theorem.
Answer
A line perpendicular to one of two parallel lines is perpendicular to the other.
Card 14 of 20
MediumStudy card 14
Prompt
If one transversal angle is 64 degrees, what is its supplement?
Answer
\(116^\circ\).
Card 15 of 20
MediumStudy card 15
Prompt
How many measures determine a nonperpendicular eight-angle transversal?
Answer
Two: one acute measure and its supplement.
Card 16 of 20
MediumStudy card 16
Prompt
What condition must be checked before using corresponding-angle congruence?
Answer
The two crossed lines must be parallel.
Card 17 of 20
HardStudy card 17
Prompt
In the master numbering, which angle corresponds to angle 1?
Answer
Angle 5.
Card 18 of 20
HardStudy card 18
Prompt
In the master numbering, which angle is alternate interior to angle 3?
Answer
Angle 5.
Card 19 of 20
HardStudy card 19
Prompt
In the master numbering, which angle is same-side interior with angle 3?
Answer
Angle 6.
Card 20 of 20
HardStudy card 20
Prompt
What is the safest workflow for a busy transversal?
Answer
Confirm parallelism, classify the pair, transfer or supplement, then verify locally.
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