Answer:
<1
option A is the right option.
Here,
<3=105°
<1=<3(being vertically opposite angles)
<1=105°
Explanation:
Please see the attached picture.
There,
<AOC and <BOD are formed by intersected line segments and they lie to the opposite side of common vertex.They are called vertically opposite angles.<AOD and <BOC are another pairs of vertically opposite angles. Vertically opposite angles are always equal.
Hope this helps..
Good luck on your assignment...
