WHAT YOU NEED: a ruler, a compass and a pencil. STEP 2: Put the pin of a compass at the end of the line you want to bisect. Set the compass to more than half the length of the line, and draw an arc ...
STEP 2 - BISECT DIAMETER: Set your compass to the diameter of the circle. Put the compass spike at the bottom of the circle and draw an arc that touches the top of the circle and extends more than ...