2 answers:
Answer:
Option A is true
Step-by-step explanation:
Given: ∠1 ≅ ∠9
To Find : Which lines must be parallel?
Solution :
∠1 and ∠9 are corresponding angles
When the traversal cut the the two lines and forms the angles and if these angles are equal so, these two lines must be parallel
So, r is parallel to s
Hence Option A is true .
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