Stage 18 · Circles

18.2 The Three-Way Conversation Between Angle, Arc, and Chord

Build the equal relationships among a central angle, the arc it faces, and the chord it cuts, so that angle, arc, and chord can all be converted into one another.

4 knowledge points

Knowledge point pages

18.2.1 Enter the Central Angle 18.2.2 The Measure of an Arc 18.2.3 Central Angle, Arc, and Chord Match One to One 18.2.4 Bringing in the Chord's Distance from the Center

eastmath.com · 18.2 The Three-Way Conversation Between Angle, Arc, and Chord