Education Technology

New York State Standard G.G.49E - Exploring perpendicular bisectors of chords in circles.

Published on 03/14/2009

Activity Overview

The students will use the Cabri Jr. APPVAR CHORDS to discover that the perpendicular bisectors of chords of a circle intersect at the center of the circle.

Before the Activity

  1. Download the Cabri Jr. APPVAR CHORDS to handhelds using TI-Connect software and unit to unit link cables. CHORDS may also be sent via TI-Navigator.
  2. Students should do the worksheet "Selecting and dragging an object using Cabri Jr.".

During the Activity

This activity is a lesson launcher for understanding the relationship between perpendicular bisectors of chords in a circle.

  1. Distribute the Student Worksheet for Chords and perpendicular bisectors.
  2. Students use the Cabri Jr. APPVAR CHORDS to answer questions from student worksheet.

After the Activity

Review student results from worksheet.