<h2>Answer: sometimes it dose that if u have ether not been on brainly in a while or if u do a sertan type of question it logs u out and then you will have to re log in and if it dose that all the time u click on a question you might need to report a bug to brainly hope i <em>helped :)</em></h2>
Parallel line will never intersect with each other no matter how far the line travel, they will never intersect. So just keep making the lines longer to see if they'll intersect or not.