#### Answer

It cannot be confirmed that lines l and m are parallel.

#### Work Step by Step

You cannot say that lines l and m are parallel because the only information given is that vertical angles 1 and 4 are congruent which does not prove anything.

Published by
Cengage

ISBN 10:
978-1-337-61408-5

ISBN 13:
978-1-33761-408-5

It cannot be confirmed that lines l and m are parallel.

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