Answer: angle relationships. The amount of space between two straight lines that have a common end point is called angle. Two angles can be related if certain conditions are met. … The angles opposite each other when two lines cross. In the figure, the 1 and 3 are vertically opposite angles and they are ALWAYS angles!
Step-by-step explanation: I hope this helps have a uwu day or a great day! ✍(◔◡◔)