why don't parallel lines exist in geometry?
a) because lines don't belong to circles
b) because the lines are perpendicular
c) because all great circles intersect
d) because two circles create a unique line

please help !

Question

why don't  parallel lines exist in geometry?
a) because lines don't belong to circles
b) because the lines are perpendicular
c) because all great circles intersect
d) because two circles create a unique line

please help !

mathstudent55 · Answer

Parallel lines do exist in geometry.
Is there a word or something missing between "don't" and "parallel"?

anonymous · Answer

oh I meant to put elliptical geometry.. sorry

mathstudent55 · Answer

This is non-Euclidean geometry, which I don't know. Sorry.