1) Create an angle of 2 rays [icon]/images/ggb/toolbar/mode_ray.png[/icon] [math]\angle BAC[/math][br]2) Create ray DE [icon]/images/ggb/toolbar/mode_ray.png[/icon][br]3) Create a compass [icon]/images/ggb/toolbar/mode_compasses.png[/icon]that intersects both rays of [math]\angle BAC[/math][br]4) Add point F at the intersection [icon]/images/ggb/toolbar/mode_intersect.png[/icon] of the compass and ray AB[br]5) Create the same compass [icon]/images/ggb/toolbar/mode_compasses.png[/icon] and place the center at point D, name the intersection point G. [icon]/images/ggb/toolbar/mode_intersect.png[/icon][br]6) Create a compass [icon]/images/ggb/toolbar/mode_compasses.png[/icon] with the radius of CF and place the center at point G.[br]7) Add point H at the intersection.[icon]/images/ggb/toolbar/mode_intersect.png[/icon][br]8) Use the angle measure tool [icon]/images/ggb/toolbar/mode_angle.png[/icon] to confirm the angles are congruent.