The perpendicular from a point on a line
4:03
Creating a Perpendicular Line Through a Point Not on the Line
3:02
Dividing a line segment into equal parts (Thales theorem)
3:34
constructing a perpendicular line through a point (off the line)
3:15
Construct a Perpendicular Bisector of a Line Segment
5:02
How to Construct 30, 45, 60, 90, and 120 degrees
4:11
Constructing the Perpendicular Bisector of a Line Segment
12:16
What is a Questionnaire?
3:35