Investigations of Circles Using GSP 4.0

By Karl Mealor

The following investigations are designed to help you discover certain theorems related to circles. These investigations assume a working knowledge of Geometer Sketchpad 4.0 and familiarity with basic terminology associated with circles (secants, tangents, chords, etc.).

Day 1: Chords and Radii

Day 2: Tangents

Day 3: Arcs

Day 4: Inscribed Angles

Day 5: Incribed Angles (part 2)

Day 6: Chord Relationships

Day 7: Relationships of lines and circles

Day 8: Relationships of lines and circles (part 2)

Day 9: Constructions

Day 10: Constructions (part 2)