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GeoGebraGeoGebra Classroom

Radius of Circle and Midpoint of Chord

Topic:
Circle
Use the play, pause, step by step forward or backward buttons at the bottom of this applet to go through this activity. At the end of this activity, what is the conclusion that you can make about these questions :
  1. A radius of a circle that is perpendicular to the chord _____________ the chord.
  2. A radius of a circle that bisects the chord is _____________ to the chord.