Education Technology
Geometry: Circles Classroom ActivitiesDownload
Geo_Chords_of_a_Circle_sm

Chords of a Circle

Explore the relationship between chords of a circle and their perpendicular bisectors.
  • ax-icon-color-device
    TI-Nspire™ CX/CX II
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Navigator™
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Geo_Circles_Angles_and_Arcs_sm

Circles - Angles and Arcs

Investigate inscribed angles, central angles and intercepted arcs relationships in circles.
  • ax-icon-color-device
    TI-Nspire™ CX/CX II
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
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Geo_Cyclic_Quadrilaterals_sm

Cyclic Quadrilaterals

Explore the relationship between chords of a circle and their perpendicular bisectors.
  • ax-icon-color-device
    TI-Nspire™ CX/CX II
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
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Geo_Circles_Equation_of_a_Circle_sm

Exploring the Equation of a Circle

Explore right triangles and the Pythagorean Theorem to develop the equation of a circle.
  • ax-icon-color-device
    TI-Nspire™ CX/CX II
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download7,236
Geo_Intersecting_Lines_and_Segment_Measures_sm

Intersecting Lines and Segment Measures

Explore the relationship between intersecting lines and the measures of various segments on those lines.
  • ax-icon-color-device
    TI-Nspire™ CX/CX II
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
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PositiveNegativeAnglesArcs_sm

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.
  • ax-icon-color-device
    TI-Nspire™ CX/CX II
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Navigator™
Download4,510
Geo_Secants_Tangents_and_Arcs_sm

Secants, Tangents and Arcs

Explore the angle and arc relationships for two intersecting lines that intersect a circle.
  • ax-icon-color-device
    TI-Nspire™ CX/CX II
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download7,167
Geo_Tangents_to_a_Circle_sm

Tangents to a Circle

Explore properties of tangent lines and how they differ from secant lines.
  • ax-icon-color-device
    TI-Nspire™ CX/CX II
  • ax-icon-color-device
    TI-Nspire™ CX CAS/CX II CAS
  • TI-Nspire™ Apps for iPad®
  • TI-Nspire™ Navigator™
  • TI-Nspire™
  • TI-Nspire™ CAS
Download7,145