Question

If the measure of angle 2 is 155 degrees, what is the measure of angle?

Answer 1

Angles 2,4,6 and 8 are the same.
We know that angle 2 is 155•
180• -155•=25•
That means that angles 1,3,5 and 7, all bring the same, are equal to 25•.
You answer is 25•

Answer 2

1: 180-155=25
2:155
3:25, same as 1
4:155, same as 2
5:25, same as 3 and 1
6:155
7:25
8:155