Question

If Angle 2 is congruent to angle 4 and Angle 5 is congruent to angle 7, which describes all the lines that must be parallel?

A. Only lines r and s must be parallel.

B. Only lines t and u must be parallel.

C. Lines r and s and lines t and u must be parallel.

D. Neither lines r and s nor lines t and u must be parallel.

Answer 1

c. lines s and u are parallel and lines t and u are parallel