Answer:
TU ⊥ MN and MN ║ PQ
Step-by-step explanation:
TU ⊥ MN
As the angle that is created where TU and MN intersect is a 90° angle, these two lines must be perpendicular to each other.
MN ║ PQ
As both MN and PQ intersect the line TU, we can use this to prove that they are parallel.
Both MN and PQ create a 90° angle where they intersect with TU. This means that MN is ⊥to TU and PQ is ⊥ to TU.
As both MN and PQ are perpendicular to TU, they must be parallel.
