Alternate interior: middle right (the numbers 1 and 2 are in between the two lines, and are on opposite sides of the slanted 'vertical' line Alternate exterior: First one ( as stated for alternate, the 2 numbers are on opposite sides. both numbers have to be outside the 2 lines Corresponding: bottom, and middle left ( these are on the same side ( all i know how to explain it as) ) None of these: top right ( literally, none of these) hope this helps