Question

Help please and thank you!!!!!

Answer 1

9514 1404 393

Answer:

1. a) 2 and 4; b) 1&2, 2&3, 3&4
2. x = 16

Explanation:

1a. Vertical angles share a vertex and are composed of opposite rays. Here, angles 2 and 4 are vertical angles.

1b. Consecutively numbered angles are adjacent, as are angles 1 and 5. The pairs of interest can be chosen from ...

1&2, 2&3, 3&4, 4&5, 5&1

__

2. Angles 1 and 3 have the same measure, because they are vertical angles. Then we have ...

78° = (5x -2)°

80 = 5x . . . . . . . divide by °, add 2

16 = x . . . . . . . divide by 5