To determine which lines are perpendicular, we need to know the slopes of each line involved. Two lines are perpendicular if the product of their slopes is -1 (i.e., if one slope is the negative reciprocal of the other).
If you can provide the equations of the lines or their slopes, I can help you determine which lines are perpendicular. Otherwise, please refer to the slope values for each line to find matches where the product of their slopes equals -1.