Concept explainers
To state the postulate or theorem justify the answer.
Answer to Problem 13PPS
Theorem of alternate co-interior
Explanation of Solution
Given information:
Figure
Figure
Theorem of alternate co-interior angles
When two lines are cut by a transversal and alternate co-interior angles are congruent, then lines are parallel.
In figure
In figure parallel lines are
This means
Hence,
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