Question: Given ∠7≅∠9, which lines, if any, must be parallel based on the given information? Justify your conclusion.

Answer: a∥b, Converse of the Alternate Interior Angles Theorem

Question: Given ∠10≅∠14, which lines, if any, must be parallel based on the given information? Justify your conclusion.

Answer: c∥d, Converse of the Corresponding Angles Theorem

Question: Given ∠8≅∠12.

Which lines, if any, must be parallel based on the given information? Justify your conclusion.

Answer: a∥b, Converse of the Corresponding Angles Theorem

Question: Which segments are parallel?

Select each correct answer.

Answer: A̅B̅

C̅D̅

G̅H̅

Question: For what value of x is line a parallel to line b?

Enter your answer in the box.

Answer: x = 30