Which of the following is a geometric construction?(1 point)

finding an exterior angle of a triangle

finding the line that divides an angle in half

finding the complement of an angle

finding an angle in a triangle

2 answers

I think the answers b
B is best
but C could also be constructed, by making a perpendicular to one ray of the angle.
and of course, A could be constructed by simply extending the side of the triangle.