Concept explainers
To state: the segments in the given figure which are parallel also state the postulate or theorem which justifies the answer.
Answer to Problem 4CE
Theorem 3-5
Explanation of Solution
Given:
The diagram:
Concept Used:
Theorem 3-5: If two lines are cut by a transversal and alternate interior
Consider the given figure:
In this figure, it can be observed that for the lines
That is, the alternate interior angles
Thus, by the theorem 3-5, it can be said that the lines
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