Watch the following video on how to construct a line parallel to a given line through a point not on the given line. Complete the construction using a compass and straightedge.

1. Complete the following construction.

Constructing Perpendicular Lines

Watch this video for constructing a line perpendicular to a given line through a point not on the given line.

2. Complete the following construction.

Watch the following video on how to construct a perpendicular line through a point on a given line.