Parallel Lines And Transversals

If m∠3 = (x + 14)° and m∠2 = (3x - 70)°, What is m∠8?

If m∠8 = (2x + 6)° and m∠2 = (6x - 50)°, What is m∠4?

If m∠7 = (9x - 25)° and m∠1 = (4x + 75)°, What is m∠5?

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

Angles that lie on the same side of the transversal and in corresponding positions.

If two lines parallel, then corresponding angles are congruent.

If two coplanar lines are cut by a transversal so that a pair of corresponding angles are congruent, then the two lines are parallel.

Angles that lie on the same side of the transversal and in corresponding positions.

If two coplanar lines are cut by a transversal so that a pair of alternate exterior angles are congruent, then the two lines are parallel.

If two parallel lines are cut by a transversal, then the alternate exterior angles are congruent.

Angles between 2 lines and on the same side of a transversal.

If two parallel lines are cut by a transversal, then the same side interior angles are supplementary.

If two coplanar lines are cut by a transversal so that a pair of same side interior angles are supplementary, then the two lines are parallel.

Type of Angles?

Type of Angles?

Type of Angles?

Type of Angles?

The perpendicular bisector of a segment is a line ___ to a segment at the segment's ___.

The shortest segment from a point to a line is ___ to the line.

⊥ means ___.

|| means ___.

If two intersecting lines form a linear pair of ___ angles, then the lines are perpendicular.

If two coplanar lines are perpendicular to the same line, then the two lines are ___ to each other.

In a plane, if a transversal is perpendicular to one of two parallel lines, then it is ___ to the other line.

___ lines are not coplanar. They are not parallel and they do not intersect.

Parallel planes are planes that do not ___.

___ lines are coplanar and do not intersect.

Are the lines parallel, perpendicular, or skew?

What type of angle pair are 1 and 5?

What type of angle pair are 3 and 6?

What type of angle pair are 2 and 7?

What type of angle pair are 4 and 6?

What type of angle pair are 5 and 6?

What type of angle pair are 6 and 7?

Lines p and q together contain a linear pair in which the angles are congruent. What is the relationship between lines p and q?

AF < AB and AF < _____

When two lines are parallel, the acute angles they form with a transversal are ___ to the obtuse angles.

Are planes ABF and DHG parallel or perpendicular?

Are planes EFG and BDH parallel or perpendicular?

Are lines CG and BF parallel or perpendicular?

Are lines GH and FH parallel or perpendicular?

Which line is the transversal?

Which angles have the same measure as angle 2?

Which angles have the same measure as angle 5?

Which angles are supplementary to angle 6?

Which angles are supplementary to angle 4?

Angle ABF and angle ___ are corresponding angles.

Congruent or Supplementary?

Find x.

Find x if f || g.

Solve for x and y.

Which lines, if any, can be proved parallel given the diagram?

If angles 1 and 3 are congruent, which lines must be parallel?

If angles 2 and 5 are congruent, what two lines must be parallel?

Which angles are on the same side as angle 3?