Inscribed Angle Theorem: Discovery and Proof

Topic:
Angles
Contains several GeoGebra worksheets that successively provides students an opportunity to to actively (and informally) discover the Inscribed Angle Theorem and put in into their own words. Afterwards, students are interactively led, through effective and guided questioning, to prove this theorem (under all 3 possible cases).
Inscribed Angle Theorem: Discovery and Proof