Here is segment AB & a point C. Use digital straightedge & compass tools to create a circle centered at C whose radius is the length of AB. Mark a point on the circle & label it D. Draw line CD and label its other intersection with the circle as point
Use digital straightedge and compass tools to construct an equilateral triangle inside the given circle. Your picture should pass the "click and drag" test.
Use digital straightedge and compass tools to construct a perpendicular bisector for segment AB. Your picture should pass the "click and drag" test.