Question

Claim: Are they parallel or not?

Evidence: which relationship (vocab term) are these two angles

Reason: Write an explanation explaining how you can use the definition of that vocab term to determine if they are parallel or not

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Answer 1

a) parallel

b) not parallel

Explanation:

a) Alternate interior angles are congruent where a transversal crosses parallel lines. The marked alternate interior angles are congruent, so the lines are parallel.

b) Corresponding angles are congruent where a transversal crosses parallel lines. The marked corresponding angles are not congruent, so the lines are not parallel.

Answer 2

9514 1404 393

Answer:

a) parallel

b) not parallel

Explanation:

a) Alternate interior angles are congruent where a transversal crosses parallel lines. The marked alternate interior angles are congruent, so the lines are parallel.

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b) Corresponding angles are congruent where a transversal crosses parallel lines. The marked corresponding angles are not congruent, so the lines are not parallel.