Play in turbo mode. Generates a perpendicular bisector by moving two points closer together to find the midpoint, then turning 90 degrees and graphing the line. Press the green flag to generate new points.
v1: moves points together https://scratch.mit.edu/projects/845777860/ v2: graphs with slope https://scratch.mit.edu/projects/845786251/ v3: graphs with slope (instant) https://scratch.mit.edu/projects/846323177/ v4: graphs with chosen, draggable points https://scratch.mit.edu/projects/846952935/