Answer:
Lines
Step-by-step explanation:
Lines are one dimensional and continue to infinity in both directions.
Yes it sure is A! Even though I’m not answering the question I’m sorry but I’m going by what the person before me just said so I believe them! Hope this helps!
It depends, if the two sides given are adjacent to each other then yes. but you are given two opposite sides then no, because you don't know the length of one of the sides, thus not being able to calculate the perimeter
