Question

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Answer 1

Linear pair - 2 and 1 , 1 and 4 , 3 and 4 , 2 and 3 , 6 and 5 , 5 and 8 , 7 and 8 , 6 and 7

Vertically opposite angles - 2 and 4 , 3 and 1 , 5 and 7 , 6 and 8

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Answer 2

Step-by-step explanation:

2) pair of varticaly opposite

because: vertically opposite angles are the angles formed opposite to each other when two

lines intersect.