What is the purpose of the poles in the baseball stadiums?

Question

What is the purpose of the poles in the baseball stadiums?

Answer 1

They mark weither a ball is fair or foul

Answer 2

to show the lines of play where a homerun can be hit

Answer 3

to make it clear to whether it was a homerun or not without them gramps umping the third baseline couldnt just tell only with the chalk

Answer 4

there foul poles.they rule wether a homerun is fair or foul

Answer 5

Foul poles to determine whether or not the ball is foul. The other poles? To support the stadium so it doesn't crush you,

Answer 6

foul poles

Answer 7

they determine a fair to a foul ball

Answer 8

they mark if the hit is a foul ball or not. if it goes to the side of the audience its a foul if it goes more towards the middle its a fair ball

Answer 9

to hold the floors above it up i believe...

EDIT:

oh foul poles. cuz if you hit it between em its a homerun. or if you hit them.