Segments inside and outside a Circle

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• Offline Activity (.zip)

• GeoGebra Files

  1. Drag point C to adjust the length of the segments formed. Observe the lengths of the segments. (.ggb)
     
  2. Drag either of the points D, C, or E to adjust the length of the lines formed. Observe the product of the outer segment and the line segment.. (.ggb)
     
  3. Drag either point A or point C to adjust the length of the segments. Find the product of the outer segment and the whole secant line segment. Compare the product to the square of the tangent (.ggb)