Answer:
<em><u>Linear pair </u></em>∠1 &∠2, <u><em>Vertical angles</em></u> ∠2&∠4, <em><u>Supplementary angles</u></em> ∠3&∠4,
Step-by-step explanation:
Taking n as transversal on line l and m
linear pairs angles are supplementary angles that form a straight line (180 degrees)
∠1 &∠2, ∠3&∠4, ∠5&∠6, ∠7&∠8
Vertical angles are opposite angles. they are congruent
∠2&∠4, ∠1&∠3, ∠6&∠8, ∠5 &∠7
Supplementary angles are angles that form a straight line that is sum up to 180 degrees
∠1 &∠2, ∠3&∠4, ∠5&∠6, ∠7&∠8