Concept explainers
To find: The lines which are parallel, and state the postulate to justify the answer.
Answer to Problem 37SGR
The lines
Explanation of Solution
Given:
The given figure is as follows
It is given that
Calculation:
Suppose that
Notice that
Use the theorem, Alternate Exterior Angles Converse.
If two lines in a plane are cut by a transversal so that pair of alternate exterior angles are congruent, then the two lines are parallel.
Therefore, the postulate shows
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