- Walch Education
Use a compass and a straightedge to construct a line perpendicular to line through point that is not on the line. Note: Drag the blue points to try different constructions.
- Draw line with point not on the line.
- Make a large arc that intersects line .
- Make a set of arcs above line .
- Draw the perpendicular line. Do not erase any of your markings. Line is perpendicular to line .