[list=1][*]Use the [b]Complex Number[/b] tool (2nd menu) to add the complex number [b]z[sub]1[/sub][/b].[br][/*][*]Use the [b]Complex Number[/b] tool (2nd menu) to add the complex number [b]z[sub]2[/sub][/b].[br][/*][*]Use the [b]Perpendicular Bisector[/b] tool (4th menu) create the perpendicular bisector of [b]z[sub]1[/sub][/b] and [b]z[sub]2[/sub][/b].[/*][*]Use the [b]Complex Number[/b] tool (2nd menu) to add the complex number [b]z[sub]3[/sub][/b].[br][/*][*]Rename [b]z[sub]3[/sub][/b] as [b]w[/b].[/*][*]Use the[b] Attach/Detach Point[/b] tool to attach [b]w[/b] to the line.[/*][*]Use the [b]Segment[/b] tool (3rd menu) to create line segments from[b] z[sub]1[/sub][/b] to [b]w[/b] and [b]z[sub]2[/sub][/b] to [b]w[/b].[/*][*]Change the labels on the line segments to [b]Value[/b].[/*][/list]