[b]Use the play, pause, step by step forward or backward buttons at the bottom of this applet to go through this activity.[/b][br][br]At the end of this activity, what is the conclusion that you can make about these questions :[br][list=1][*]A radius of a circle that is perpendicular to the chord _____________ the chord.[/*][*]A radius of a circle that bisects the chord is _____________ to the chord. [/*][/list]