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
- 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.
- 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.
- Distribute the Student Worksheet for Chords and perpendicular bisectors.
- Students use the Cabri Jr. APPVAR CHORDS to answer questions from student worksheet.
After the Activity
Review student results from worksheet.