AB?
EF?
MN?
What is Two capital letters printed in sequence
2 answers
I am guessing from your subject title that you might refer to a line segment that has its end - points labelled as A and B
then AB is the "name" of the line segment from A to B, usually it refers to the length of that line segment
then AB is the "name" of the line segment from A to B, usually it refers to the length of that line segment