Question

please solve my question ​

Answer 1

1]  angle 1 and angle 4 are vertically opposite angles.

2] angle 4 and angle 7 are interior opposite angles.

3] angle 10 and angle 12 are also vertically opposite angles.

4] these angles are the angles on the same side of the transversal.

5] angle 6 and angle 8 are vertically opposite angles.

6] these angles are the angles on the same side of the transversal.

7]  angle 7 and angle 9 are vertically opposite angles.

8] angle 4 and angle 5 form linear pair.

9] angle 4 and angle 6 are the angles on the same side of the transversal.

10] angle 6 and angle 7 are linear pairs.

11] angle 2 and angle 13 are linear pairs.

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