Sections Introduction Making and Proving Conjectures about Inscribed Angles Making and Proving Conjectures about Parallel Chords Making and Proving Conjectures about Congruent Chords Summary Introduction Making and Proving Conjectures about Inscribed Angles Making and Proving Conjectures about Parallel Chords Making and Proving Conjectures about Congruent Chords Summary Print Share Using Logical Reasoning to Prove Conjectures about Circles Copy and paste the link code above.