Proving Perpendicular/parallel. Chapter 3 Flashcards

1
Q

If two parallel lines are cut by a transversal, which angles are congruent?

A

Corresponding, alternate exterior and interior, and consecutive interior angles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Alternate interior angels theorem

A

If two parallel lines are cut by a transversal, then the pairs of alternate interior angles are congruent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Alternate exterior angles theorem

A

If two parallel lines are cut by a transversal, then the pairs of alternate exterior angels are congruent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Consecutive interior angles theorem

A

If two parallel lines are cut by a transversal, then the pairs of consecutive interior angles are supplementary

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Corresponding angles converse

A

If two lines are cut by a transversal so the corresponding angles are congruent, then the lines are parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Alternate interior and exterior converse

A

If two lines are cut by a transversal so the alternate exterior and interior angels are congruent, then the lines are parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Consecutive interior angles converse

A

If two lines are cut by a transversal so the consecutive interior angles are supplementary, then the lines are parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Perpendicular postulate

A
  1. If two lines intersect to form a linear pair of congruent angles, then the lines are perpendicular.
  2. If two lines are perpendicular, then they intersect to form 4 right angles
  3. If two sides of adjacent acute angles are perpendicular, then the angles are complementary
  4. If a transversal is perpendicular to one of two parallel lines, then it is perpendicular to the other
  5. If two lines are perpendicular to the same line then they are parallel
How well did you know this?
1
Not at all
2
3
4
5
Perfectly