Question

Which angles are corresponding angles?

Answer 1

1 & 9, 2 & 10, 3 & 11, etc.

"The angles in matching corners are called Corresponding Angles."
http://www.mathsisfun.com/geometry/corresponding-angles.html

Answer 2

Do you understand? :o)

Answer 3

corresponding angles for an F shape...

and on the same side on the transversal

and in the same position on different lines