1. Place two points on the screen. point A and [br]point B.[br]2. Connect the two points, A and B, with a "segment".[br]3. Place 1 point on the screen, but not on the segment. point C.[br]4. "Measure" the initial segment AB using a compass.[br]5. Place the compass on C and "click" the point.[br]6. Place a new point anywhere on the circle. point D.[br]7. Connect the two points with a "segment". Line segment CD.