Two parallel lines are cut by a third straight line and have the same angle.
Jane, two straight lines are parallel and the included angle is equal.
Attribute 2
Two parallel lines are cut by a third line, and the internal dislocation angles are equal.
Jane, two straight lines are parallel and their internal angles are equal.
Attribute 3
The two straight lines are cut by the third straight line, which is complementary to the inner corner of the side.
Jane, two straight lines are parallel and complementary.
Reference answer:
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