This lesson is to be used to discover relationships between Central Angles, Inscribed Angles and Circumscribed Angles, and the measure of the intercepted arc.

Directions:[br]o Check on the checkbox to Show Central Angle and its Measure[br]o Check on the checkbox to Show Arc and its Measure[br]o Drag points B and G and record at least three measures:[br]o Make a conjecture about the relationship between a central angle and its intercepted arc:[br]o Check on the checkbox to HIDE Central Angle and its Measure[br]o Check on the checkbox to Show Inscribed Angle and its Measure[br]o Drag points B, G and I and record at least three measures:[br]o Make a conjecture about the relationship between the inscribed angle and its intercepted arc:[br]o Check on the checkbox to HIDE Inscribed Angle and its Measure[br]o Check on the checkbox to Show Circumscribed Angle and its Measure[br]o Check on the checkbox to Show Smaller Arc and its Measure[br]o Drag points B, G, and A and record at least three measures:[br]o Make a conjecture about the relationship between the circumscribed angle and its intercepted  arcs: