Straight Angle :)
this is called vertical angles
A right angle.
Angles that are pairs of opposite and congruent lines formed by intersecting lines are intersections
They are alike because they both cross each other. They are different because perpendicular lines have to be a right angle while intersecting lines can be any kind of angle.
Kurt Angle.
That will depend entirely on the angle bisected which has not been given.
If they make right angles they are perpendicular. If they do not make a right angle, they are intersecting.
a right angle
A straight-angle. 180o.
It is an acute angle
Only three types of angles can be formed by two intesecting lines. Obtuse, acute, and right.
90 degrees - a right angle