Chapter 9A

Question 1

P, AI Theorem

Answer 1

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

Question 2

AI, P Theorem

Answer 2

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

Question 3

CA, P Theorem

Answer 3

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

Question 4

Theorem 9-6

Answer 4

Given two lines cut by a transversal. If a pair of corresponding angles are congruent, then a pair of alternate interior angles are congruent.

Question 5

SSI, P

Answer 5

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

Question 6

Parallel Postulate

Answer 6

Through a given external point there is only one parallel to a given line.

Question 7

P, CA Theorem

Answer 7

If two parallel lines are cut by a transversal, each pair of corresponding angles are congruent.

Question 8

P, SSI

Answer 8

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

Question 9

Exterior Angle Thm

Answer 9

a. an exterior angle of a triangle is greater than each of its remote interior angles
b. for any triangle, the measure of an exterior angle is the sum of the measures of the two remote interior angles

Question 10

STUDY REST OF CH 9 STUFF

Answer 10

GOOD JOB