Education Technology

### Chords of a Circle

Explore the relationship between chords of a circle and their perpendicular bisectors.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS

### Circles - Angles and Arcs

In this activity, students will investigate inscribed angles, central angles and intercepted arcs relationships in circles.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS

Explore the relationship between chords of a circle and their perpendicular bisectors.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Exploring the Equation of a Circle

Explore right triangles and the Pythagorean Theorem to develop the equation of a circle.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Intersecting Lines and Segment Measures

Explore the relationship between intersecting lines and the measures of various segments on those lines.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS

### Positive and Negative Angles and Arcs

Investigate the relationships among the angles of intersection of the two lines and the intercepted arcs using positive and negative angle and arc measures.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS

### Secants, Tangents and Arcs

Explore the angle and arc relationships for two intersecting lines that intersect a circle.
• TI-Nspire™ CX/CX II
• TI-Nspire™ CX CAS/CX II CAS
• TI-Nspire™
• TI-Nspire™ CAS