Math Parallel, Skew, Transversal Grade 9 Quiz

If two parallel lines are cut by a transversal then...

Each pair of corresponding angles is congruent.

• corr.

  angle post

• alt. int

  angles theo

• alt. ext

  angles theo

• CIA

  angles theo

• vert.

  angles theo

If two parallel lines are cut by a transversal then...

Each pair of alternate interior angles is congruent.

• corr.

  angles post

• alt. int

  angles theo

• alt. ext

  angles theo

• CIA

  angles theo

• verti.

  angles theo

If two parallel lines are cut by a transversal then...

Each pair of alternate exterior angles is congruent.

• corr.

  angles post

• alt. int

  angles theo

• alt. ext

  angles theo

• CIA

  angles theo

• verti.

  angles theo

If two parallel lines are cut by a transversal then...

Each pair of consecutive interior angles is supplementary.

• corr.

  angles post

• alt int

  angles theo

• alt. ext

  angles theo

• CIA

  angles theo

• vert.

  angles theo

If two parallel lines are cut by a transversal then...

And recall from Unit 1, vertical angles are always congruent.

• corr.

  angles theo

• alt. int

  angles theo

• alt. ext

  angles theo

• CIA

  angles theo

• vert.

  angles theo

If two parallel lines are cut by a transversal then...

If vertical angles are always on congruent then a linear pair is always supplementary.

• corr.

  angles post

• alt. int

  angles theo

• alt. ext

  angles theo

• CIA

  angles theo

• LP theo

Parallel Lines: ___ ___ lines that do not ___.

• One coplanar

  intersect

• Two coplanar

  intersect

• Plane

  intersect

• Non-coplanar

  intersect

Parallel Lines: ___ are used to indicate the lines are parallel.

• lines

• arrows

• dot

• letter

Symbolic Notation for parallel lines are?

• <---> = <--->

  AB CD

• <---> ll <--->

  AB CD

• <---> + <--->

  AB CD

• <---> * <--->

  AB CD

Parallel Planes: ___ that do not ___.

• lines

  intersect

• non-coplanar

  intersect

• planes

  intersect

• coplanar

  intersect