All constructions
AB
Try it on the Geometry BoardUses:Midpoint and perpendicular bisector

Perpendicular bisector

Draws the line through the midpoint of two points, at right angles to the segment joining them. Ruler and compass only.

Part 1 of 1: Bisect ABStep 1 of 11Compass

This draws the line that cuts AB in half at right angles. Put the point of your compass on A.

Keys: left and right arrows step, Space plays or pauses, Escape goes back to all constructions.